Helmets

Our most innovative helmet with the added protection of MIPS for serious riders looking for maximum cooling and an aerodynamic advantage. Cool got aero Our Velocis MIPS road bike helmet pairs pro peloton performance with all-day riding comfort. This premium cycling helmet is super light and sleek, allowing you to go faster and stay cool, so you can turn up the jets without overheating. Product details - MIPS Brain Protection System - The Boa System lets you easily secure and adjust helmet fit with one hand - Internal, recessed channels move airflow over your head to keep you cool and dry - 37.5 fit pads pull moisture away from your skin to help maintain ideal comfort - Sunglass port allows easy access to securely store glasses when not in use - Viper Red, White, and Visibility Yellow colorways come with Team Trek-Segafredo sticker kit - Includes removable NeoVisor for all the benefits of a cycling cap without extra bulk - Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership

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

All-purpose, value-packed helmet balances performance and comfort with the added protection of MIPS. All-purpose protection for every rider The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Product details - MIPS Brain Protection System - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Fidlock buckle - Includes: Visor plugs - Weight: 335g (Small/Medium)

Ultra-versatile helmet that is light, cool, and sleek with the added protection of MIPS and the convenience of magnetic light mounts. If you could only buy one helmet, this is the one. Whether your finish line is on the race course or to the front door of your destination the Bontrager Circuit MIPS road helmet will deliver. Equipped will all the best features including MIPS brain protection system, Boa fit system for superior comfort and security, and the Blendr mount system for light and camera integration. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - Blendr mount system easily integrates GoPro camera and Bontrager lights accessories - The Boa System lets riders easily secure and adjusts helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - LockDown dividers make helmet strap management clean and are easy to adjust - Internal, recessed channels move airflow over your head to stay cool and dry - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

A trail-tested mountain bike helmet with advanced WaveCel technology for comfort and protection on any trail, any time. A major advancement in the protection against cycling-related head injuries When you're riding serious trails, you need serious protection. Blaze WaveCel offers Bontrager's best in performance and protection on any trail, from flowy singletrack to gnarly downhills. It’s built for style, comfort, and performance, and equipped with WaveCel for whatever trails you roam. 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. Product details - WaveCel advanced helmet technology - BOA® Fit System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety. A major advancement in the protection against cycling-related head injuries Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries. 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. Product details - WaveCel advanced helmet technology - Virginia Tech 5 STAR rating - BOA Fit System lets you easily secure and adjust your helmet fit with one hand - Adjustable visor offers multiple coverage options - Extended back-of-helmet shell offers additional rear protection - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small (51-57cm) / Medium (54-60cm) / Large (58-63cm) - Fit system: Boa - Pad material: Moisture-wicking pads - Buckle type: Standard buckle - Includes: Crash Replacement Guarantee - Weight: 360g (Small) / 400g (Medium) / 430g (Large)

A comfortable, versatile helmet with clean aesthetics and the added protection of Mips. Style, comfort, and protection for any ride The Trek Solstice Mips helmet is the perfect choice for riders who want to dabble in road and trail riding. It's super comfortable, has an easy to use fit system, and features a simple, clean aesthetic that easily transitions from path to pavement. This helmet also features a Mips safety system, which is a helmet technology designed to help protect riders from rotational forces that occur during some cycling-related accidents. Solstice Mips has also earned a 5-star safety rating from Virginia Tech. Product details: - 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 - Covered by our Crash Replacement Guarantee, which provides a free helmet replacement if involved in a crash within first year of ownership - 30-Day Unconditional Guarantee allows you to return your helmet if you're unsatisfied for any reason

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

Affordable MIPS™ trail helmet for young riders Don't take chances with their most precious asset - their brain. The Youth Mainframe Helmet delivers the goods to young riders, offering them the same proven safety features older riders get in their Mainframe helmet, and all with the same easy trail style. Featuring extended coverage to protect more of their noggin', the proven MIPS™ impact protection will keep their brain safe in the event of a crash by absorbing and redirecting energies and forces that could otherwise damage it. Featuring a lightweight fit system, the Youth Mainframe Helmet will also keep young heads cool and well vented. Should the sweat stank build up, you can easily whip out the moisture-wicking liner and run it through the wash to get them riding fresh again in no time. Great protection at a price that won't break the bank. - Proven MIPS™ impact protection system reduces rotational forces in a crash - Extended coverage for added safety - Optimized venting with channeled, in-molded EPS provides efficient cooling - Removable, washable moisture wicking liner - MIPS™ integrated fit system reduces weight and provides a more comfortable, seamless fit - EPS, PC, PA, polyester

New pads help your helmet fit best and smell fresh Let's face it—we all sweat. Sweat stinks. Fresh pads will make your helmet smell, and fit, just like it did when it was new. - Original equipment replacement fit pads for your Bontrager Blaze WaveCel helmet - NoSweat keeps sweat out of eyes through channeled pads for constant clarity - Helmet fit pads should be replaced once a year to maintain fit and hygiene

Replacement visors keep your lids fresh Helmet visors work hard to get the sun out of your eyes and keep you looking good. No matter what happens, these original replacements will get them working like new. - Works perfectly with your Bontrager Blaze WaveCel helmet - Original equipment replacement visor

Easily integrated Designed specifically for specific Bontrager Circuit MIPS road bike helmets, the Blendr mount easily integrates Bontrager Ion lights and GoPro cameras. - Quickly mount front light and camera accessories on the front of your Bontrager Circuit MIPS road bike helmet. - Tested with an accelerometer for intended breakaway point if involved in a crash

One helmet all road. The MET Allroad Mips is made for those who enjoy spending time on the saddle, whether on the tarmac or on gravel routes. Sporty on one side, comfy on the other. It's exceptionally lightweight and secure thanks to MET's distinguishing design. Perfect for your next bikepacking adventure. Featuring the MIPS-C2 brain protection system, the MET Allroad Mips is able to slide relative to the head in the case of a crash, redirecting damaging rotational motion. - In-mold polycarbonate shell with EPS liner - MIPS-C2 Brain Protection System - Snap in/out visor - Safe-T E-DUO Fit System - Vertical adjustment and ponytail-compatible - Integrated rear LED light - Reflective rear stickers - Internal air-channeling - Hand washable comfort pads - Adjustable cam divider - Certifications: CE; AS/NZS

Let's face it - we all sweat. Sweat stinks. Fresh pads will make your helmet smell and fit just like it did when it was new. - Original equipment replacement fit pads for your Bontrager Circuit MIPS helmet - Also compatible with non-MIPS Bontrager Circuit helmet - Helmet fit pads should be replaced once per year to maintain fit and hygiene - Fits Small, Medium, and Large Bontrager Circuit MIPS Road Bike Helmets

The key to getting your helmet fit pads stay put Bontrager helmet fit pads are affixed to the inside of the helmet via this Velcro kit. No matter what happens, these original replacements will get them sticking like new. Product details - Replacement adhesive Velcro kit - Compatible with all Bontrager helmets

A stylish kids' helmet with WaveCel, a leading helmet technology in the protection against cycling-related head injuries. A major advancement in the protection against cycling-related head injuries Safety has never looked so cool. Jet is a kids' bike helmet with skater-inspired style, proven WaveCel protection, and a parent-approved price. 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. Product details - WaveCel advanced helmet technology - Meets ASTM standards, whose tests use a smaller mass headform more realistic to younger riders - Fidlock magnetic buckle fastens easily for a quick, secure, kid-friendly fit - Comes with a free sticker kit - Dialed fit system provides a secure and comfortable fit - Soft and thick helmet pads are removable for easy cleaning - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Kids (48 – 52cm) - Fit system: HB-80 - Pad material: Moisture wicking pads - Buckle type: Fidlock buckle - Includes: Crash Replacement Guarantee, stickers - Weight: 460g

- Lightweight Inmold Technology fuses the inner EPS and shell together: more durable and ventilated plus increased protection and energy dispersion - Multiple air vents for optimal ventilation and cooling - Ultra-plush removable, sweat-absorbing, and washable padded inner liner - Retention system for perfect individual fit and easy one-hand adjustment - Height-adjustable visor - Exceeds EN1078 and CPSC safety standard for bicycle Helmets - 45% EPS, 35% Polycarbonate, 5% Polypropylene, 5% Polyester, 4% Other, 3% Nyon, 3% ABS - Weight: Weight: 380g (+/- 25g)

The Mountain/Urban Recreational Helmet Vent Light is one of the easiest and most powerful ways to increase visibility and safety on the road. Compatible with Fixture MIPS, Verce MIPS, Cormick MIPS, Trella MIPS, and Tremor™ MIPS.

After years of research and development, the Troy Lee Designs Team introduced the A1 mountain bike helmet in 2013. Here at TLD, styling, graphics, fit, function and safety are key in everything we create. This lightweight, fully encapsulated all-mountain helmet utilizes maximum coverage and dimension to keep you safe and protected in all riding conditions. Whether you're charging single track, riding dirt jumps or grinding out miles on the XC bike, the A1 helmet offers the premium fit, protection and style you want.

Cooler, Faster in a Protective Package The trailblazing A2 is Troy Lee Designs’ MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, but it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS® system and an industry-first dual-density EPP + EPS liner that protects against both high and low-speed impacts; this is a helmet that doesn’t take your safety lightly. Add in an adjustable strap and X-Static® Pure Silver comfort liner and the comfort is every bit on par with the protection. - MIPS (Multi-directional Impact Protection System) - Patent pending, industry-first dual density EPP = EPS impact liner - Innovative break-away visor screws help reduce the likelihood snagging during a crash - Low-profile, semi-adjustable strap dividers - X-Static® Pure Silver comfort liner

TLD's Stage helmet: less weight, more fun! Since its debut, the Stage helmet has redefined mountain bike safety, style, comfort and ventilation. Stage is the lightest full-face helmet in its class, and combines MIPS (Multi-directional Impact Protection System), EPP (for slow speed impacts) and EPS (for high-speed impacts) in one sleek package, that sets the standard for mountain bike enduro helmets. A Polylite shell w/fiber reinforcement and Polyacrilite injected chin bar w/EXOskeleton adds strength without sacrificing weight. 11 high-flow air intakes and 14 exhaust ports and large ventilation chin bar openings aid in cooling and comfort in all conditions. The TLD Stage Helmet also includes an X-Static® helmet liner that is moisture-wicking, quick-drying and odor-fighting. A Fidlock® buckle and lightweight hardware round out the overall package. - DUAL DENSITY EPS co-molded with EPP - MIPS brain protection system - EPP lined chinbar - 690 grams (1.5 lbs) size M/L - Meets Certification for CPSC 1203, CE EN1078, ASTM F1952, ASTM F2032, and AS/NZS 2063 *Varies by regional standards

Working in close collaboration with the gravel cycling community, ARO3 Allroad was developed to meet the demands of those who create their own routes, going off the beaten path in the quest for adventure. ARO3 Allroad features a unique removable, dual-position visor which attaches to the helmet with two powerful magnets. The visor protects you from the sun and debris for added functionality that will stand out on any gravel terrain. Optimal fit, all-day comfort, and increased shell coverage come standard to better equip you for the ride ahead. - FIT: The Oakley®-designed, 360° fit system incorporates an adjustable dial for a comfortable, customized fit. Overall improvements to the shell shape ensure ARO3 Endurance sits lower on the head for better balance, while fitting more naturally to the contours of your head. - PROTECTION: The Mips® safety system is designed for added safety against a variety of accidents, helping to reduce the harmful forces that might otherwise impact the wearer’s head. - VENTILATION: ARO3 Allroad keeps you cool throughout a variety of conditions. A total of 19 vents at the front, rear and side of the helmet redirect air to maximize flow and breathability even during the most intense ride. - LINING: The Ionic+™ Antimicrobial liner is sweat-activated, keeping things fresh, and odor under control. - EYEWEAR STORAGE: Front vents provide riders with a go-to spot to easily stash their eyewear. Unobtainium® grippers hold eyewear stems in place, while cutouts in the foam on the interior of the helmet prevent the stems from injuring the wearer’s head in case of impact, creating a simple and intuitive eyewear storage space for riders. - VISOR: ARO3 Allroad features a removable visor to protect riders from sun and debris. - DESIGN: ARO3 Allroad features a branding badge with an Iiridium® coating, mirroring the Prizm™ lens colors seen in Oakley eyewear. Each badge color is unique to the color of the helmet, with all celebrating Oakley’s eyewear heritage. - Helmet Travel Bag and Oakley Decal Included - Small (52-56cm) / Medium (54-58cm) / Large (56-60cm) - CPSC 1203, EN1078 and ANZ2063 Certifications

Designed for riders who are growing their passion for mountain biking, DRT3 Trail will give you the confidence to explore new trails, test your boundaries and add new skills to your quiver. For additional safety, a twICEme® Medical ID NFC chip is located on the back side of the helmet. Store your vital medical info and emergency contacts within the helmet so first responders can instantly get the information they need when time matters most. - FIT: The Oakley®-designed, 360° fit system incorporates a height-adjustable yoke for a comfortable, customized fit. A rubberized micro adjustment dial secures the fit and an extra-wide yoke is designed to increase the stability of the system. The fit system is seamlessly integrated into the Mips® safety system, building on the brand’s Skull Matrix technology. - COMFORT: DRT3 Trail comes with the innovative Sweat Guard brow pad and traditional textile padding located at the top of the helmet. The silicone gel Sweat Guard helps collect and divert sweat from the forehead to keep your eyewear streak-free while the textile padding adds more touch-points to enhance overall comfort. - LINING: The Ionic+™ Antimicrobial liner is sweat-activated, keeping things fresh, and odor under control. - EYEWEAR STORAGE: Front vents provide riders with a go-to spot to easily stash their eyewear. Unobtainium® grippers hold eyewear stems in place, while cutouts in the foam on the interior of the helmet prevent the stems from injuring the wearer’s head in case of impact, creating a simple and intuitive eyewear storage space for riders. - PROTECTION: The Mips® safety system is designed for added safety against a variety of accidents, helping to reduce the harmful forces that might otherwise impact the wearer’s head. - SAFETY: a twICEme® Medical ID NFC chip is located on the back of the helmet. Store your medical info and emergency contacts within the helmet so first responders can instantly get the information they need when time matters most. - VENTILATION: Sixteen vents are designed to help hot air escape from the helmet while riding or when stopped, and two large front grill vents direct fresh air to the rider's forehead to enhance cooling and help reduce eyewear from fogging. - VISOR: An adjustable visor features four points of adjustability, enabling the perfect fit for style and function while allowing riders to easily switch between wearing or storing eyewear. - DESIGN: DRT3 Trail features a branding badge with an Iiridium® coating, mirroring the Prizm™ lens colors seen in Oakley eyewear. Each badge color is unique to the color of the helmet, with all celebrating Oakley’s eyewear heritage. - Helmet Travel Bag and Oakley Decal Included - Small (52-56cm) / Medium (54-58cm) / Large (56-60cm) - CPSC 1203, EN1078 and ANZ2063 Certifications

ARO5 Race was designed for peak performance and maximum breathability on the road. With results in mind, ARO5 Race features an aerodynamic and ventilated design that significantly increases airflow throughout 19 ventilation ports. Lighter than its predecessor, ARO5, ARO5 Race provides the advantage needed to overtake the pack. Combined with additional technical advancements in optics integration, comfort, and protection, ARO5 Race is ready to go fast. - FIT: A BOA 360° fit system includes an adjustable dial that delivers a more secure fit and maximizes safety. Overall improvements to the shell shape ensure ARO5 Race sits lower on the head for better balance, while fitting more naturally to the contours of your head. - LIGHTWEIGHT: ARO5 Race is lighter than its predecessor, the ARO5, achieved through a newly designed shell and other internal modifications. - PROTECTION: The Mips® Air safety system is a helmet-integrated, low-friction layer designed to decrease rotational motion to the head, helping to reduce the harmful forces that might otherwise impact the rider’s head. - VENTILATION: ARO5 Race features newly designed front and top ventilation ports to significantly increase airflow and breathability. There are 19 vents in total across the top, side, and rear sections. - LINING: The Ionic+™ Antimicrobial liner is sweat-activated, keeping things fresh, and odor under control. - EYEWEAR STORAGE: Front vents provide riders with a go-to spot to easily stash their eyewear. Unobtainium® grippers hold eyewear stems in place, while cutouts in the foam on the interior of the helmet prevent the stems from injuring the wearer’s head in case of impact, creating a simple and intuitive eyewear storage space for riders. - DESIGN: ARO5 Race features a branding badge with an Iiridium® coating, mirroring the Prizm™ lens colors seen in Oakley eyewear. Each badge color is unique to the color of the helmet, with all celebrating Oakley’s eyewear heritage. - Helmet Travel Bag and Oakley Decal Included - Small (52-56cm) / Medium (54-58cm) / Large (56-60cm) - CPSC 1203, EN1078 and ANZ2063 Certifications

- A durable, protective trail helmet for all-level MTB riders - Textile foam padding and durable outer shell absorb impact - MIPS system reduces rotational forces in the event of a crash - Skull Matrix 360-degree Fit system allows for easy adjustments - Sunglasses easily tuck away with in-vent eyewear storage - Adjustable visor helps keep the bright sun away from the face - Large vents optimize airflow for better breathability - Complete with a silicone sweat guard for a dry ride

- Lower rear coverage offers added protection off-road - Detachable visor adds style and helps keep the sun out of your eyes - FitRite retention dial for one-hand adjustment - Maximum air flow through 15 vents - Youth universal fit 50-54cm

Aggressive styling in our most affordable DH certified helmet Our Rampage Helmet features a lightweight injection-molded ABS shell inspired by our iconic Rampage Pro Carbon Helmet. Large vents provide superior airflow for all-day comfort. The fully adjustable visor and quick release buckle add big-mountain function to this full face MTB helmet. - Proven MIPS™ impact protection system reduces rotational forces in a crash - Lightweight, injection molded ABS shell - Inspired by our podium-proven Rampage Pro Carbon - Mesh vent screens provide ventilation while filtering dirt and debris - D Ring closure - Adjustable visor - CERTIFICATIONS - CPSC - EN 1078AS/NZS 2063 - ASTM 1952-15 downhill - ASTM 2032-15 BMX

The magnetic replacement shield for the Vanquish MIPS® helmet offers vivid technology, with optics by Zeiss®, for exceptional clarity.

All-Mountain and Trail helmet. The high-end in-mold construction and its large and integrated venting system provide highest safety level and best comfort. The 3-level visor adjustment accommodates goggles and preferred positioning, and its magnetic closure system provides easy handling. Trigger AM Fulfills European and US safety standards. - Double In-mold Shell Technology - External And Internal Ventilation Channels - Goggle Compatible Adjustable Visor - Precision Interlocking - Ergofit Ultra System For Horizontal And Vertical Adjustment - Magnetic Closure - En1078, CPSC, KC - +/- 350g Sizing - Small/Medium = 54 – 58cm - Medium/Large = 58 – 62cm

The Corpora AID is a helmet that embodies the future of helmet technology and safety. It features an LED panel in the rear with integrated lights to improve visibility on the road. The helmet includes a robust ABS shell and multi-impact EPP liner which can withstand the rigors of day-to-day use. Vents in the front, rear, and top of the helmet have been designed around internal channels (between the shell and liner) to provide optimal ventilation and temperature regulation. In addition, the padding provides a high level of comfort and is ideal for variable weather conditions. - Magnetic FIDLOCK buckle for easy one-hand operation - Reflective stickers for better visibility in low-light conditions - Multi-impact EPP liner - Tough and durable ABS shell - Internal ventilation channels - Size-adjustment system