Adults

As bikes become more capable and trail riding gets faster the M2 slots into the current generation of open face protection. Conehead technology utilises dual-density foam to dissipate impacts more effectively giving you a safer ride. The Boa Fit System delivers a connected, fast, customized and durable fit, purpose-built for performance. - 19 vents provide cool air intake and heat exhaust - Conehead technology - Full rear head coverage - Custom 7iDP liner for superior fit and comfort - BOA one hand dial fit adjustment - Rapid adjust chin strap - Tested beyond CE, CPSC, AS standards The M2's foam liner is made of two density layers. The outer layer, which is the black part, is made of high-density foam and has cones facing inwards. The inner layer, the grey part which is close to the head, is made of softer low-density foam and has cones facing outwards.

The Vanquish MIPS is the pinnacle of high-performance road cycling helmets, featuring the innovative TransformAir design that actively streamlines airflow to reduce drag. Inside the Vanquish is an EPS liner with progressive layering, and Giro's renowned RocLoc Air system seamlessly integrated with MIPS technology to enhance comfort and cooling power while providing an additional measure of protection. So whether you're hammering off the front, smashing an Ironman course, or laying down maximum wattage in the dash to the finish line, the Vanquish shapes the wind to work for you.

Bontrager XXX WaveCel delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Easy-to-use adjustable strap dividers allow for a fine tune fit - An aerodynamic shape helps you outsmart the wind and ride faster - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Team Trek-Segafredo sticker kit included with Viper Red, White, and Visibility Yellow colorways - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm

CONQUER WITH CONFIDENCE Created with an all-new head form for a more universal fit and the super-slim Mips Air Node® integrated rotational impact protection system, the third-generation Rail is our most comfortable and lightweight trail helmet yet. Boasting a five-star safety rating from the world-renowned Virginia Tech Helmet Safety lab, the Rail also features an accessible, four-position, snap-in height adjustment system, increased ventilation, and supple, lightweight straps with a handy Fidlock® buckle. Comfort, confidence, and zero distractions—so you can focus on charging descents while staying cool on tough climbs. FEATURES: - Designed with a new, rounder head form for a more universal fit - Fully integrated, super-slim Mips Air Node® liner combines maximum rotational impact protection with ultra-lightweight comfort - In-molded upper, sub, and lower PC shells for optimal protective structure - Optimized low and high EPS density - Five-star safety rating from the Virginia Tech Helmet Safety Lab. - Easy to adjust, dual-arm, four-position, snap-in rear height adjustment fit system - 21 strategically placed vents for head-cooling airflow - Supple and lightweight straps with magnetic Fidlock® buckle system - Three-position adjustable visor - Broad top surface area for camera or light attachments SPECIFICATIONS: - Sizes: S (51-55cm) M (55-59cm) L (59-63cm) - Weight: 360g (Size M)

Ride smart. It's a no brainer. If you're going to rock a helmet on an Electra, rock an Electra on your helmet. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Size small fits circumference 48cm - 54cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55cm - 58cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59cm - 61cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Standard buckle

A comfortable, versatile helmet with clean aesthetics and the added protection of Mips. - Mips safety system helps provide additional protection from rotational forces in the event of certain cycling-related accidents - Refined styling with removable visor easily transitions from road to trail - Large vents and recessed channeling keep you cool on warm days - Trek Headmaster 3 fit system provides simple and secure adjustability with just one hand - Soft, comfortable helmet pads wick moisture and are easy to wash after a full day of fun

The Vasona MIPS helmet combines sleek, lightweight design with an integrated Multi-Directional Impact Protection System (MIPS) that can redirect energy and provide more protection in certain impacts, giving you the latest in head protection on the road or trail. Made in a comfortable, Universal Fit women's size with Giro's adjustable Roc Loc Sport fit system, the Vasona's fit can be custom-tuned with a simple turn of the dial to make fitting fast and hassle-free. And with a range of colors to suit almost any style, you can choose exactly how your on-bike style comes together.

The Proframe helmet is the lightest and most breathable full face helmet Fox has ever created. Designed to perform at the highest levels for the aggressive all mountain rider and enduro racer, it packs DH certified protection into a superlight shell via Fox's patent-pending, fully-integrated Chinbar. With 24 Big Bore vents, the Proframe offers open face level airflow and breathability to keep you cool on even the longest and most challenging climbs; and once you reach the top, it gives you the confidence to ride to your limits on even the toughest of descents. Features: - Ultra-lightweight enduro and all mountain helmet - Patent pending integrated chinbar - Highly breathable, moisture wicking and anti-microbial liner - 24 Big Bore vents for unrivaled breathability - Fixed visor is positioned perfectly for maximum air flow - Fidlock SNAP helmet buckle provides quick entry and exit - MIPS™ impact protection system reduces rotational forces in a crash - Dual density Varizorb EPS liner provides improved protection - Our lightest DH certified helmet: 750g. (size medium) Certifications: - ASTM F1952 (including chin bar rigidity test) - EN 1078 - AS/NZ 2063 - CPSC

The Verce MIPS is Well Equipped to Help You Blaze New Trails. Our Roc Loc Sport Systems allows you to quickly and easily dial in your fit and the plush Quick Dry Padding provides a comfortable feel. The Verce MIPS also features an integrated Multi-directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts. Integrated MIPS (Multi-directional Impact Protection System) - Allows you to customize fit/feel for great stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact - Reflectivity: Reflectivity - Construction: In Mold Construction - Full Hardbody Shell - Shell Type: Polycarbonate Shell - Sport: Cycling - Visor: Removable Visor - Number of Vents: 18 - Interior/liner Type: Extra-plush Padding - Gender: Womens - Fit System:roc Loc Sport MIPS - Impact Liner Type: Eps - Certification: CPSC Bicycle

The Fixture's confident mountain bike style and breezy ventilation combine in a compact design that complements nearly any ride -- especially when there's dirt under the tread. Some of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Fixture's styling and color options will keep you feeling good mile after mile. - 54 – 61cm / 21.25 – 24 in.

- Compass fit - 11 vents with increased air flow - Compatible with click-mount light - Lightweight - Integrated brim - Lay flat strap dividers - Compression molded pads - Light & durable dual shell - Snowsport knit compatible - Average weight: 390g(mips) - MIPS: multi-directional impact protection system

With its sleek, lightweight fit and simple design, the FL-1 Libre is for riders who are looking for a dependable helmet that will protect your head, and won't break the bank. With 18 vents, In-Mold design and Crank-Fit adjustability, the FL-1 Libre keeps you cool and safe while burning pavement, or taking in the fresh mountain air. Life, Libre and the pursuit of happiness! - Small: 52-55.5cm, Medium: 55.5-59cm, Large: 59-62cm - Weight 248 Grams - Standards CPSC, EN1078

- 15% lighter than the classic Macon - Increased protection due to the Ribbed EPS liner - Multisport configuration - Construction—Thin shell - EZ-Fit System - Compatible with Bern Asteroid Light - Adjustable strap divider - Compression-molded pads - Visor compatible - Average weight: 376g - MIPS: multi-directional Impact Protection System - 12 vents Helmet sizing: - Small: 52 - 55.5cm - Medium: 55.5 - 59cm - Large: 59 - 62cm

- COB LED Technology: it's a more compact footprint while delivering a higher intensity of light, meaning you'll be seen from further away and gives the lights a more uniform look - The helmet will be equipped with 98 COB LEDs in total - Front Light (30 COB LED diodes) - Rear Lights with Turn Signals (34 red COB LED diodes, 34 orange COB LED diodes) - 1100mAh rechargeable battery providing up to 10 hours with the lights set on maximum brightness - USB-C Charging Connection (Chargeable with a 5V—5.2V & 0.5A charger) - Remote included for turn Signal - Option to buy a Lumos Remote to activate Automated Brake Lights. (The Remote Lite included with Ultra doesn't come with an accelerometer and can only be used to activate turn signals) - Lumos Companion App: Customize your light flashing patterns, check your battery life, track your activity, and sync with Strava and Apple Health - Maximum Venting - MIPS technology Sizing: - Small: 51 – 55cm / 20 – 21.6" - Medium/Large: 54 – 61cm / 21.3 – 24" - X-Large: 61 – 65cm / 24 – 25.6"

As one of the most sophisticated urban helmets in the line, the Evoke MIPS has a sleek In-Mold shell to help keep it lightweight, and the adjustable eye shield seals out wind and weather whenever conditions demand it. A Roc Loc City MIPS fit system makes fit and stability adjustments almost effortless and integrates seamlessly with MIPS technology, which helps to reduce rotational forces and provide more protection in certain impacts. Thoughtful details include reflective accents and a lock port for securing the helmet with your bike when you're on the move. And with the option to purchase the Evoke with the removable "be seen" LED rear lighting as an add-on accessory, you get flexibility to fit your needs and your budget.

With features like integrated MIPS and an easy Ergo Fit dial, the Nomad 2 MIPS represents what bicycling is really about: the freedom of getting on your bike and exploring. Ride Confident The Nomad 2 MIPS meets any aspiring trail rider's needs without compromising fit, function, style, or safety. With our Ergo Fit adjustment system and upgraded padding for all-day support, the Nomad 2 with Integrated MIPS delivers exceptional comfort mile after mile. The trail-specific fusion in-mold polycarbonate shell offers low coverage and is MIPS-equipped for a safe and confident ride. The trails are waiting, and with the Nomad 2 MIPS you have no excuse but to go. Where to first? [Availability, certification, color, and pricing may vary per region. If outside of the USA, please check with your authorized local dealer for more information.] - INTEGRATED MIPS—Integrated MIPS (Multi-Directional Impact Protection System) is designed to reduce rotational forces that can result from certain impacts. By integrating the MIPS slip plane into the retention system, we are able to reduce complexity and weight for a compact, better ventilated helmet that fits more closely to the head. - ERGO FIT—A lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS). - NO-TWIST TRI-GLIDES—Quick-adjust fasteners that help keep straps flat and properly positioned Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

- Made in Italy - Versatile helmet, perfect for road and mountain bike riding. - Features Forced Air Cooling Technology for maximum comfort on the hottest of days. - Easy plug-in visor - Stitched and fixed straps - Reflective stitching on straps - Floating Padding - S 230g - M 240g - L 250g

Fitness rides, adventure rides, family rides around the neighborhood. With its easy, approachable style, the Trace is an all-around performer that gives you loads of options. All-Purpose Performer Fitness rides, adventure rides, family rides around the neighborhood...with its easy, approachable style, the Trace is an all-around performer that gives you lots of options. The Ergo Fit system offers a slim, easy-to-use dial, plus No-Twist Tri-Glides provide smooth fit adjustment. [Availability, certification, color, and pricing may vary per region. If outside of the USA, please check with your authorized local dealer for more information.] - ERGO FIT—A lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments. - NO-TWIST TRI-GLIDES—Quick-adjust fasteners that help keep straps flat and properly positioned - SWEAT GUIDE—Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

Giro's Aerohead MIPS takes the same wind-cheating silhouette as the leading-edge Aerohead Ultimate, but adds increased ventilation to keep triathletes and time trialists cool when the competition is hot. By using a polycarbonate shell, Wind Tunnel ventilation, and internal channeling, this helmet is proven to boost cooling power while remaining aerodynamic. Additionally, Aerohead MIPS features a wrap-around eye shield that offers an impressive field of view with the convenience of a magnetic anchor attachment to allow easy storage of the lens in the "flipped up" position—perfect for fast swim-to-bike transitions.

Designed with a friendly price tag, yet leaving no cards on the table, the Avenue MIPS is tough, refined, and easy to adjust on the fly. Ticket to Ride Usually, when it comes to value, there's going to be some sort of compromise. With the Avenue, we took a hard line against that. We gave it carefully sculpted vents and a graceful shape. We packed it with the same features and careful touches that define our flagship helmets, such as our Sweat Guide liner and No-Twist Tri-Glides for ease of adjustment. Equipped with our easy-to-use Ergo Fit system, fully integrated with the MIPS layer, we proudly sent it out into the world—now it's up to you to decide where to go. [Availability, certification, color, and pricing may vary per region. If outside of the USA, please check with your authorized local dealer for more information.] - INTEGRATED MIPS—Integrated MIPS (Multi-Directional Impact Protection System) is designed to reduce rotational forces that can result from certain impacts. By integrating the MIPS slip plane into the retention system, we are able to reduce complexity and weight for a compact, better ventilated helmet that fits more closely to the head. - ERGO FIT—A lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS). - NO-TWIST TRI-GLIDES—Quick-adjust fasteners that help keep straps flat and properly positioned - SWEAT GUIDE—Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

The Caden MIPS II offers a sophisticated style with advanced head protection technology, making it a perfect match for your on-the-go lifestyle. A sleek In-Mold shell helps keep Caden lightweight, and the Roc Loc City MIPS fit system makes fit and feel adjustments almost effortless. Inside the helmet, MIPS technology can help to reduce rotational forces to provide more protection in certain impacts. Thoughtful details include reflective accents, a lock port for securing the helmet with your bike or a bag when you're on the move, and a TPU cycling cap-style visor that accents your style without compromising ventilation.

Light up your life with our Avenue LED. Our 20-lumen rear LED light is unobtrusive, highly visible, and rechargeable via micro-USB. Now it's up to you to decide where to go. Light Up Your Life Light up your life with our Avenue LED bicycle helmet. It is widely regarded that increased visibility equates to increased safety. To that end, we have taken our classy all-purpose performer, the Avenue, and incorporated a bright, 20-lumen rear LED into the proprietary Ergo Fit system. It's unobtrusive, highly visible, easily rechargeable with an included micro USB, and it just might make the difference between being seen or not. [Availability, certification, color, and pricing may vary per region. If outside of the USA, please check with your authorized local dealer for more information.] - ERGO FIT LED—20-Lumen rear LED integrated into the easy dial fit system. Unobtrusive, highly visible, and easily rechargeable (includes micro USB). Increase your visibility. - NO-TWIST TRI-GLIDES—Quick-adjust fasteners that help keep straps flat and properly positioned - SWEAT GUIDE—Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

Inspired by gravity riders and presenting a modern mountain biking style, this off-road helmet is designed with generous ventilation and added protection Along with essential safety features like MIPS technology, we’ve added a lower rear coverage design to shield more of the back of your head. Direct Flow Cooling channels are designed to pull in air to keep you cool during slow, challenging climbs or flowy descents. With a one-handed dial adjustment and rear fit system you get perfect head-hugging comfort. - Contemporary, clean and compact helmet shape offers stylish looks at an accessible price point. - Numerous broad vents provide maximum air flow. - Dropped rear section for extended protection on the back of the head. - All-new 360 degree Cinch One MIPS fit system with intuitive one-handed dial adjustment for comfort and balance. - In-molded construction. - TransTextura moisture-wicking, anti-odor inner padding. - MIPS Protection. - Integrated magnetic mount for the Numen Alumbra TL and Recon TL. - Sizes: S / M (49-57cm), M / L (53-61 cm)

The all-new Liv Rail Mips Helmet features the latest in high-performance off-road technology. Purpose-built with extended bottom shell design for additional back-of-head coverage plus the Integrated Mips Air Node technology to offer the best rotational impact protection. The 4-position rear height adjustment provides an optimal secure fit every time, sweat-blocking brow pads and an anti-microbial strap bring comfort even when things heat up. The ultimate helmet for riders who demand the perfect combination of comfort, fit, and increased protection. MIPS® The Mips® BPS (Brain Protection System) is designed to add protection in helmets against the rotational motion. The rotational motion is a combination of rotational energy (angular velocity) and rotational forces (from angular acceleration) that both affects the brain and increases the risk for minor and severe brain injuries. Mips® BPS has been scientifically proven to reduce rotational motion when implemented in a helmet by absorbing and redirecting rotational energies and forces transferred to the brain. SPECIFICATIONS: - Western sizes - Small: (51-55cm) - Medium: (55-59cm)

The Merit Spherical is the ideal choice for fast, flowy trail riding and hard pedaling. With Spherical Technology, it offers more comprehensive performance and protection with the combination of a MIPS brain protection system to redirect rotational impact energy. Plus, separate inner and outer liners featuring Progressive Layering help manage high- and low-speed impacts. Massive Wind Tunnel vents are combined with channels in the EPS foam liner, creating amazing airflow through the helmet to exhaust heat out, even on long, hot climbs. Fit and stability adjustments are fast and easy with the Roc Loc Trail Air fit system, and plush Ionic+ padding provides exceptional sweat absorption while combating odor with permanent antimicrobial performance.

The Women's Merit Spherical is the ideal choice for fast, flowy trail riding and hard pedaling. With Spherical Technology, it offers more comprehensive performance and protection with the combination of a MIPS brain protection system to redirect rotational impact energy. Plus, separate inner and outer liners featuring Progressive Layering help manage high- and low-speed impacts. Massive Wind Tunnel vents are combined with channels in the EPS foam liner, creating amazing airflow through the helmet to exhaust heat out, even on long, hot climbs. Fit and stability adjustments are fast and easy with the Roc Loc Trail Air fit system, and plush Ionic+ padding provides exceptional sweat absorption while combating odor with permanent antimicrobial performance.

The heart of the Helios's extraordinary design and performance is Spherical Technology, which utilizes a ball-and-socket design powered by Mips®, the market-leading brain protection system that can help to reduce rotational forces. Spherical Technology allows the helmet's outer liner to rotate around the inner liner during a crash, and also allows Progressive Layering of the inner and outer liners to provide more comprehensive protection and performance. In addition to advanced head protection, the Helios's 15 Wind Tunnel vents provide exceptional cooling power that's enhanced by our patented Roc Loc 5 Air fit system and plush, antimicrobial XT2 padding for exceptional sweat absorption. It's the ideal match for your road and gravel adventures. FEATURES - SPHERICAL TECHNOLOGY — Spherical Technology's Ball-and-Socket design, powered by Mips®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. It also eliminates contact with hard plastic or slip-planes against the skin. - PROGRESSIVE LAYERING™ — Giro helmets with Progressive Layering™ use two different density EPS foam liners to address high- and low-speed impacts for more comprehensive energy management. - MIPS® BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro's Mips-equipped helmets is to reduce rotational forces. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts. - WIND TUNNEL INTERNAL CHANNELING — Combined with the massive vents, internal channeling forces air to flow over the scalp, providing remarkable cooling power. - ROC LOC® 5 AIR FIT SYSTEM — This revolutionary fit system adds a new dimension to helmet performance by enhancing cooling, as well as fit comfort and stability. Using a patented design that suspends the helmet just slightly off the top of the skull, Roc Loc® 5 Air allows cool airflow to pass directly over your head, further enhancing the performance of vents and internal channeling that exhaust heat out of the helmet. Fit and feel adjustments mimic the Roc Loc 5, allowing you to easily custom tune fit tension and fore-aft tilt of the helmet in seconds using a single hand. - IONIC+® PADDING — Pure silver is the secret ingredient that gives IONIC+® the power to provide natural, permanent odor protection to help keep your helmet feeling fresh. HIGHLIGHTS - Nanobead™ EPS foam - Ionic+™ anti-microbial padding Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older E.U.: CE EN1078

Standout Style with Bold Visibility Choose to ride, choose to be seen. The new Ethos™ Mips® Shield is a revolution in transportation, with a clear, molded eye shield that stylishly adds protection from the elements while still allowing riders to use their existing eyewear. (The Ethos Mips Shield also is available without eye shield as the Ethos Mips.) Its compact and stylish form features the added protection of Mips® Brain Protection System highlighted by integrated LED front white lights, rear red lights, and amber turn signals, all controlled via an intuitive handlebar remote. The entire system is USB-C rechargeable with an estimated run time of 10 hours in low-blink mode and 5 hours in the high-blink mode, which delivers 45 lumens front and 30 lumens rear. Helmet and remote can be fully charged in just 2 hours and 1 hour, respectively. Despite the added technology, in-mold construction keeps the weight manageable, full hardbody coverage adds durability, and a Roc Loc® Mips City fit system plus quick-dry padding ensure comfort. Whether you're a dedicated bike commuter, running the kids to school on your e-cargo bike, or simply looking for added visibility as you ride around town, the Ethos Mips Shield is a look into the future. - REFLECTIVE WEBBING — Reflective threads are strategically woven into the helmet retaining straps for an added element of visibility. - INTUITIVE REMOTE — The handlebar-mounted remote controls the front and rear lights, allowing riders to select solid or flashing modes, change brightness levels, and easily activate the turn signals. - TURN SIGNALS — With their bright amber flashes, the integrated turn signals speak the common language of traffic, broadcasting the rider's intended path to other road users. - INTEGRATED MIPS® BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro's Integrated Mips®-equipped helmets is to reduce rotational forces, while enhancing fit and comfort by combining the Mips slip plane with the helmet's adjustable fit system. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts. - ROC LOC CITY MIPS FIT SYSTEM — The Roc Loc City Mips fit system features a rubberized dial for easy adjustability and large plush pads for ultimate comfort and stability. The fit system is made of a durable flexible material for long term performance and daily lockability. The three positions of vertical adjustability, and 6cm range make this a perfect fit, for your daily use. - INTEGRATED AND RECHARGEABLE LED LIGHTS — Front and rear integrated and rechargeable LED lights: two front "be seen" white lights and two red rear lights for substantially increased visibility to drivers. HIGHLIGHTS - Built-in front (white) and rear (red) LEDs - Handlebar-activated turn signals (amber/yellow) - Micro-USB C rechargeable - Deep coverage - Quick-dry padding Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

- Designed for high-speed e-bikes surpassing the NTA 8776 (dutch Standard). - Integrated visor for additional protection from the elements - Rear rechargeable LED Light - ZoomAce Urban retention system - Ponytail compatible retention system - Additional reflectors on helmet and integrated into straps - Bugmesh built into front vents - Fidlock magnetic buckle

A helmet that feels like it isn't there: the all-new Aries™ Spherical is like nothing before. Its sleeker form and lighter weight (only 270 grams in size medium, CE certification), deliver sensational comfort and cooling power. Spherical Technology™, our ball-and-socket design powered by Mips®, adds protection by redirecting energy away from the brain in certain impacts, and Progressive Layering with dual densities of Nanobead EPS foam adds more comprehensive energy management. 24 Wind Tunnel vents are maximized by the AURA II Reinforcement Arch, while a plush DryCore™ brow pad manages sweat and combines with a network of intricately engineered deep internal channeling to elevate comfort. From the proven reliability and adjustability of the Roc Loc® 5+ Air fit system, to full lower hardbody coverage to enhance durability, to the meticulous production quality, the Aries is state-of-the-art performance, protection, and style. - AURA II REINFORCING ARCH — The shatter-resistant and translucent Aura II Reinforcing Arch runs throughout the helmet, bolstering structural integrity and allowing massive vents for cooling - VIRGINIA TECH #1 RANKING — Researchers at independent testing facility Virginia Tech gave Aries Spherical their best score event in their rankings of which helmets best reduce the risk of injury. All Giro helmets with Spherical Technology have received their top level of 5 stars. - DRYCORE™ — The DryCore™  sweat management system utilizes an internal silicone bead to redirect moisture away from the rider's brow and eliminate the irritation of sweat dripping into the eyes. - SPHERICAL TECHNOLOGY — Spherical Technology's Ball-and-Socket design, powered by Mips®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. It also eliminates contact with hard plastic or slip-planes against the skin. - MIPS® BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro's Mips-equipped helmets is to reduce rotational forces. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts. - 21 WIND TUNNEL VENTS — Giro helmets are engineered with our proprietary Wind Tunnel venting system. This elaborate design combines active vents in the helmet's shell with exhaust channels inside the helmet that thrust cool, fresh air over and around the rider's head while forcing heat and stale air out. - DEEP INTERNAL CHANNELING — Combined with the massive vents, internal channeling forces air to flow over the scalp, providing remarkable cooling power. - PROGRESSIVE LAYERING™ — Giro helmets with Progressive Layering™ use two different density EPS foam liners to address high- and low-speed impacts for more comprehensive energy management. - EYEWEAR DOCKING PORTS — Integrated eyewear docking ports with rubber grippers help to secure sunglasses. HIGHLIGHTS - AURA II reinforcement arch - Ionic+™ anti-microbial padding - DryCore™ sweat management system - Eyewear docking ports Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older