Adults

- In-molded construction - TransTextura moisture-wicking, anti-odor inner padding - MIPS Protection - Optional visor on Path MTB helmet Sizing: - Small/Medium = 49 – 57cm - Medium/Large = 53 – 61cm

Conquer with confidence. Give yourself the confidence to crush it. Whether you’re making the crux move on a technical climb or bombing down the mountain on steep, rocky terrain, you need full protection to perform at your peak. The new Rail SX was developed to meet the demands of the Giant Factory Off-Road Team’s pro enduro riders. It features an integrated MIPS Brain Protection System, and a lightweight, highly ventilated design to keep you comfortable and in control when you’re pushing your limits. FEATURES - Trail-specific maximum enduro coverage EPS construction; 3mm lower (Front), 3-5mm lower(sides), 8-10mm lower (back) - MIPS Brain Protection System optimized design - AirFlow ventilation combines 18 straight vents with straight, non-tapered walls to guide airflow through deep internal channels to keep riders cool at variable speeds - Removable moto-style extended protection visor mounts cleanly to the sides and is infinitely adjustable on the move - Integrated strap clip on the rear keeps goggle straps in position and prevents them from falling off during a crash - Low-speed and high-speed impact-tuned construction with Direct Support vents, optimized low-density EPS, and ultra-thin toughened polycarbonate shells all in-mold bonded together - Element Strap System (ESS) brings together Cinch One Pro fit system, adjustable locking dividers, and LiteForm webbing into one fit and retention system for superior fit and comfort right out of the box - Cinch One Pro fit system offers 360-degree coverage and positioning with secure, adjustable height for full protection, support and comfort - Lightweight LiteForm webbing wraps around for a more secure fit - TransTextura Plus anti-microbial padding helps fight bacteria growth by pulling sweat from a rider’s head and transferring it through the AirFlow vents. The natural property of the fabric inhibits microbes that cause odors - Dual-position integrated mounting surfaces, GoPro™ curved mount compatible for cameras and the new Giant Recon light system SPECIFICATIONS - Western: S (51-55cm);M (55-59cm);L (59-63cm) - Weight: 360g (size M, CPSC/CE) - Certifications: CPSC/CE;AS/NZS

The Chakra Solo builds on Kali's best-selling Chakra line of helmets. Featuring Composite Fusion technology, a lower polycarbonate wrap and an integrated bug liner for those fast turns just earned. - Anti-microbial pads - Breakaway visor - PC shell and with EPS foam - Dial-Fit closure - 21 vents for maximum airflow - Simple graphics, and gloss finish

The Register MIPS helmet combines sleek design and lightweight construction to match your style, on the road or trail. Made in a comfortable Universal Fit size with Giro's convenient Roc Loc Sport fit system, the Register MIPS adjusts with a simple turn of the dial so you can tune the fit in seconds. A range of colors lets you choose exactly how your on-bike style comes together. Register MIPS models also have an integrated Multi-Directional Impact Protection System, which can redirect energy and provide more protection in certain impacts.

The Macator is a sporty entry-level helmet for cyclists looking for an outstanding all-around helmet. The Macator not only has comfortable padding but also offers excellent ventilation. - In-Mold: Lightweight, durable helmet with a long-lasting combination of EPS core and Polycarbonate shell - Bug mesh: Full protection from insects - Ponytail compatibility: Perfect fit for people with long hair - Full-ring: Adjustable ring connected to adjustment system enclosing all of the head - Excellent ventilation with 5 air inlets and 8 air outlets - Zoom Ace: Finely adjustable fit system with handy adjustment wheel for a customizable fit Sizing: - Medium: 51-55cm - Large: 52-58cm - X-Large: 58-62cm

ALLL-ROUND HELMET The Macator is a sporty entry-level helmet for cyclists looking for an outstanding all-round helmet. The Macator has not only a comfortable padding but also offers an excellent ventilation, and it comes in a variety of bright, highly-visible colors. In-Mold: Lightweight, durable helmet with a long-lasting combination of EPS core and Polycarbonate shell - Bug mesh: Full protection from insects - Ponytail compatibility: Perfect fit for people with long hair - Full-ring: Adjustable ring connected to adjustment system enclosing all of the head - Excellent ventilation with 5 air inlets and 8 air outlets - Zoom Ace: Finely adjustable adjustment system with handy adjustment wheel for customizable fit

- In-molded construction - TransTextura moisture-wicking, anti-odor inner padding - MIPS Protection Sizing: - Small/Medium = 49 – 57cm - Medium/Large = 53 – 61cm

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)

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 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

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

The Flight Sport is the entry level version of Fox's BMX/dirt jump helmet. A single-density layer of EPS combined with a proven ABS hard outershell inspires confidence for riders of any age and experience level. - Dirt jump and trail specific functionality - Single density EPS liner - Thin ABS shell for reduced weight - Eight large Big Bore vents for increased airflow - Heat sealed comfort liner for a clean look and feel

POC's Octal helmet is light, ventilated, safe, and FAST. It's unique shape uses a unibody construction that provides more coverage to the temples and the back of the head. It's EPS liner is strategically thicker in sensitive areas, and it's all covered with a durable outer polycarbonate shell. The Octal delivers massive front vents and uses Coolbest padding to reduce the temperature between the helmet and your head. The huge vents even make a great place to store your sunglasses. A scannable ICE tag is also included.

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.

Clean aesthetic, comfortable fit, and a budget-friendly price—that's what makes up the Align II. The standout feature of the Align II is the inclusion of the Multi-Directional Impact Protection System (MIPS), a patented technology designed to mitigate against rotational forces transmitted to the brain during certain angled impact scenarios. In addition, the Align II became the only $50 helmet to earn the highest Five Star rating from the independent testing done at the renowned Virginia Polytechnic Institute and State University. When including MIPS and earning this Five Star Virginia Tech Helmet Rating we didn't give up any comfort—the Align II includes the Headset SX dial fit system for easy fit adjustment, our 4th Dimension Cooling System for incredible ventilation, and an easy one-size fit system. If you're on the quest for a feature-rich helmet that leaves some jingle jangle in your pocket, the Align II is for you. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. - Align II earned the highest 5-Star Virginia Tech Helmet Rating from internationally renowned Virginia Polytechnic Institute and State University. - The MIPS system is a low-friction layer that allows a sliding motion of 10 to 15mm in all directions. Studies indicate that this reduces some of the rotational forces transmitted to the brain during angled impacts. - Easily-adjustable, one-size Headset SX fit system is designed for easy and accurate fit for a wide range of head sizes. Add in a micro-adjustable dial for on-the-fly adjustability and you're ensured an easy, secure, and accurate fit. - 4th Dimension Cooling System optimizes ventilation. - In-molded shell improves strength and reduces weight. - Reflective decals for increased visibility in low-light conditions.

The Shadow Classic Helmet is constructed with a high-impact ABS hard shell with a light EPS core liner for even distribution of force upon impact. - ABS Hardshell construction with light EPS core liner - Includes two sets of padding for a custom fit - CE and CPSE certified - Shadow Crow Head rivets and Classic woven label - X-Small = 46 – 50cm - Small/Medium = 50 – 56cm - Large/X-Large = 56 – 61cm - XX-Large = 61 – 65cm

- In-molded construction - TransTextura moisture-wicking, anti-odor inner padding - MIPS Protection - Optional visor

The MET Manta MIPS defines the MET aesthetic with its highly contemporary design and aerodynamic engineering. Featuring the MIPS-C2 rotational management system, the MET Manta MIPS is able to slide in the case of a crash, redirecting damaging rotational motion. MIPS is a brain protection system—engineered to add at least 10% extra safety to the standard construction of helmets in case of certain impacts. The MIPS Brain Protection System (BPS) is attached inside the helmet, between the comfort padding and the EPS. The Fidlock magnetic buckle makes it easier and faster to fasten the helmet. Despite being primarily an aero helmet it is also well ventilated. We've engineered the internal shape to channel the air, while MET's signature NACA Vent works in synergy with the specially positioned exhaust ensuring a constant airflow through the helmet, without catching the wind and creating drag. - In-mold polycarbonate shell with EPS liner - MIPS C2 rotational management system is engineered to add protection in case of certain impacts - Exceptionally comfortable and secure on the head thanks to refined internal shape - MET Safe-T Orbital Fit System - 360° head belt, and vertical and occipital adjustments offer a customized fit - Air Lite straps with adjustable divider maximize aerodynamic and comfort - Fidlock Magnetic Buckle makes it easier to secure the helmet - 15 vents are internally engineered with an air channeling system to improve ventilation and comfort - Sunglasses ports securely dock sunglasses when climbing or resting - Tube-shaped tail to improve aerodynamics - Reflective rear stickers - Certifications CE; AS/NZS; US Sizing: - Small/Medium = 52 – 56cm - Medium/Large = 56 – 58cm - Large/X-Large = 58 – 61cm

The MET Rivale MIPS offers superior performance and an aggressive presence on the road that leaves a lasting impression. More safe. More comfortable. More efficient. With its MIPS technology, the Rivale combines an extraordinary price-quality ratio, as well as all the advantages of a brain protection system. MIPS is engineered to add at least 10% extra safety to the standard construction of helmets in case of certain impacts. The MIPS Brain Protection System (BPS) is attached inside the helmet, between the comfort padding and the EPS. The Rivale's fit is unparalleled, and thanks to its Safe-T Upsilon retention system the helmet is stable on the head. The 360° head belt ensures that there will be no pressure points on the skull, and the easy to use vertical adjustment provides a customized fit. The front of the helmet is designed with wider and longer vents which improve ventilation and can also serve as a place to securely dock sunglasses. A combination that ensures pure riding fun. - In-mold polycarbonate shell with EPS liner - MIPS C2 rotational management system is engineered to add protection in case of certain impacts - Exceptionally comfortable and secure on the head thanks to refined internal shape - MET Safe-T Upsilon Fit System - 360° head belt, and vertical adjustments offer a customized fit - Air Lite straps with adjustable divider maximize aerodynamic and comfort - Tube-shaped tail to improve aerodynamics - 18 vents are internally engineered with an air channeling system to improve ventilation and comfort - Reflective rear decals to enhance visibility in low-light conditions - Sunglasses ports to securely dock sunglasses when climbing or resting - Certifications CE; AS/NZS; US Sizing: - Small/Medium = 52 – 56cm - Medium/Large = 56 – 58cm - Large/X-Large = 58 – 61cm

THE BEST OF BOTH WORLDS The Hyban 2.0 combines a particularly robust hard shell with a huge air intakes. In combination with the integrated, bright LED rear light, the Hyban 2.0 is the perfect everyday helmet for the city. - ABS hard shell: Robust helmet made of EPS foam and injection molded outer shell - High visibility: High visibility thanks to powerful integrated LEDs - Bug mesh: Full protection from insects - Ponytail compatibility: Perfect fit for people with long hair - Full-ring: Adjustable ring connected to adjustment system enclosing all of the head - Excellent ventilation with 5 air inlets and 8 air outlets - Zoom Ace Urban: Finely adjustable adjustment system with handy adjustment wheel for customisable fit - Large, highly mounted and integrated LED tail light with 180° visibility

A HELMET MADE FOR THE CITY STREETS The Pedelec 2.0 is an uncompromising combination of protection and comfort. Complemented by clever features, it is the ideal companion in road traffic. In big city traffic, a helmet is an indispensable companion for you as a cyclist. Accidents happen quickly and if you fall, a bicycle helmet protects you against serious injury. With the Pedelec 2.0, ABUS offers a bicycle helmet that meets the high safety requirements of the big city. Its deep temple area provides the required additional protection. The Pedelec 2.0 is also characterised by the integrated rain hood, which can be quickly pulled over the helmet at the first sign of rain. The especially bright, rechargeable light and the replaceable visor offer additional, passive protection. - This NTA 8776 helmet is a helmet that complies with the requirements in the Dutch Technical Agreement (NTA) 8776. - In-Mold for a durable connection with the outer shell with shock-absorbing helmet material (EPS) - High visibility due to powerful reflectors - Large, highly mounted and integrated LED tail light with 180° visibility - Forced Air Cooling Technology: Sophisticated ventilation system for an optimal head climate - Excellent ventilation with 4 air inlets and 9 air outlets connected with flow channels - Ponytail compatibility: Helmet well suited to plait wearers - Zoom Ace Urban: Finely adjustable adjustment system with handy adjustment wheel for customisable fit - Size adjustment by means of a half ring made from particularly hard-wearing and slightly malleable plastic for optimal stability and form fitting - Foamed-in fly nets - Lower edge protection: Provides the helmet with additional protection from external influences - Fidlock magnetic strap buckle - Rain cover integrated in the helmet

AERODYNAMICS REDEFINED The GameChanger sets new standards. What is a cyclist's biggest enemy? Air resistance. Every cyclist knows that battling against the wind is one of the toughest challenges they face. With its Multi Position Design, the GameChanger redefines aerodynamics. The special shape reduces windage by minimizing exposed surfaces, regardless of weather conditions, head-tilt position and inflow angle. Our innovative Forced Air Cooling Technology sucks in incoming air and channels airflow around the head, creating a perfect climate and keeping your head cool even in hot races. - Multi Position Design: For optimal aerodynamics regardless of head tilt - Forced Air Cooling Technology: Sophisticated ventilation system for an optimal head climate - FlowStraps: Aerodynamic, flutter-free and skin-friendly thanks to specially developed strap profile - Zoom Ace: Finely adjustable adjustment system with handy adjustment wheel for customizable fit - AirPort: Aerodynamic glasses holder with strap guide - Multi Shell In Mold: For safe shock absorption - Ponytail compatibility: Helmet well suited to plait wearers

Stylish and functional urban protection. Whether it's tackling the daily commute or enjoying city nightlife by bike, the Central is a helmet purpose-built for exploring the heart of your asphalt jungle. Plentiful venting, integrated visor, and flashing rear light keeps you cool, covered, and visible while on the move. - Technology: Composite Fusion - Features: USB Chargeable Rear Flashing Safety Light, Anti-Microbial Pads - Material: PC Shell, EPS Foam - Vents: 17 - Weight: 346g / 12.2oz - Certification: EN 1078, CPSC - Intended Use: Commute, Recreational - Small/Medium = 54 – 58cm - Large/X-Large = 58 – 62cm

The FeatherWeight features In-Mold technology to make a custom shape and fit utilizing a thin outer shell that covers and protects high-density EPS foam. - High density EPS in-mold construction - Tested and certified for CPSC and EN 1078 standards for bicycle use - Two sets of padding included for custom fitting - Crow rivets and 10 flow-vents to keep cool - Small/Medium = 50 – 56cm - Large/X-Large = 58 – 61cm

The Pedelec 2.0 offers an uncompromising combination of comfort and protection. Complemented by clever features, it is the ideal companion when cycling in road traffic. - In-Mold for a durable connection with the outer shell with shock-absorbing helmet material (EPS) - Forced Air Cooling Technology ventilation system keeps you cool and comfortable with 4 air inlets and 9 air outlets connected with flow channels - Zoom Ace Urban adjustment system with handy adjustment wheel for a customizable fit - Size adjustment by means of a half-ring made from particularly hard-wearing and slightly malleable plastic for optimal stability and fit - High visibility due to powerful reflectors and an integrated LED taillight with 180-degree visibility - Foamed-in fly nets keep insects out - Lower edge protection provides the helmet with additional protection from external influences - Fidlock magnetic strap buckle - Ponytail-compatible and well suited for braided hairstyles Sizing: - Medium: 52 – 57cm - Large: 56 – 62cm

The Scraper 3.0 is just as much at home on the bike as in the halfpipe, protecting the BMX rider as reliably as the longboard fan. And, with the optional winter kit, you can get after it in all types of weather. The intelligent ventilation system, with its many inlets and outlets, and the numerous adjustment options that adapt the Scraper 3.0 to each head in a few easy steps, ensure the greatest possible comfort. - ABS hard-shell technology - High visibility due to powerful reflectors - Ponytail compatibility: Helmet well suited to plait wearers - Forced Air Cooling Technology: Sophisticated ventilation system for an optimal head climate - Excellent ventilation with 4 air inlets and 4 air outlets - Size adjustment by means of a half-ring made from particularly hard-wearing and slightly malleable plastic for optimal stability and fit - Zoom Ace Urban: Finely adjustable fit system with a handy adjustment wheel Sizing: - Medium: 54 – 58cm - Large: 57 – 62cm

The GameChanger sets new standards. What is a cyclist's biggest enemy? Air resistance. Every cyclist knows that battling against the wind is one of the toughest challenges they face. With its Multi Position Design, the GameChanger redefines aerodynamics. The special shape reduces air resistance by minimizing exposed surfaces regardless of weather conditions, head-tilt position, and inflow angle. Our innovative Forced Air Cooling Technology sucks in incoming air and channels airflow around the head, creating a perfect climate and keeping your head cool, even in hot races. - Multi Position Design: For optimal aerodynamics regardless of head tilt - Forced Air Cooling Technology: Sophisticated ventilation system for an optimal head climate - FlowStraps: Aerodynamic, flutter-free, and skin-friendly thanks to specially developed strap profile - Zoom Ace: Finely adjustable adjustment system with handy adjustment wheel for customizable fit - AirPort: Aerodynamic glasses holder with strap guide - Multi Shell In Mold: For safe shock absorption - Ponytail compatibility: Helmet well suited to plait wearers Sizing: - Small: 51 – 55cm - Medium: 52 – 58cm - Large: 59 – 62cm

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. - Simple, clean and compact helmet shape - Optimized vent design for enhanced breathability - MIPS brain protection system and lower rear coverage - New 360° full surround fit-belt - Intuitive one-handed dial adjustment (Cinch ONE fit system) - Compatible with Alumbra taillight: Liv proprietary taillight docking station - In-molded construction for added strength - TransTextura moisture-wicking, anti-odor inner padding - Pony-tail friendly rear fit system space - Detachable visor - S / M (49-57cm), M / L (53-61 cm)

Inspired by our award-winning professional cycling helmet the Trenta, the MET Vinci MIPS exceeds the standards of comfort and safety, delivering an unmatched price-performance ratio. Featuring the MIPS-C2 brain protection system, the Vinci is able to slide against the head in the case of a crash, redirecting damaging rotational motion. The Vinci is also exceptionally lightweight and extremely comfortable to wear. The internal air-channeling works in synergy with the exhaust ports, maximizing ventilation. - In-mold polycarbonate shell with EPS liner - MIPS C2 rotational management system is engineered to add protection in case of certain impacts - Exceptionally comfortable and secure thanks to the refined internal shape - MET Safe-T DUO Fit System - 360° head belt and vertical adjustments offer a customized fit - Straps with adjustable divider maximize aerodynamics and comfort - Comfort pads are hand-washable - 16 vents are internally engineered for air channeling to improve ventilation and comfort - Reflective rear decals to enhance visibility in low-light conditions - Sunglasses ports to securely dock sunglasses when climbing or resting - Certifications CE; AS/NZS Sizing: - Small = 52 – 56cm - Medium = 56 – 58cm - Large = 58 – 61cm

The MET Terranova MIPS is designed for trail and eMTB riding. The construction and fit are inspired by MET's Roam helmet, guaranteeing optimal comfort. The increased head coverage ensures a higher level of protection around the two most sensitive brain areas: the back and the temples. Featuring the MIPS-C2 brain protection system, the Terranova is able to slide against the head in the case of a crash, redirecting damaging rotational motion. The tool-free adjustable visor is injection-molded to flex and bend when there is an impact against it. This unique feature helps to manage extra rotational forces transferred to your neck in a crash. The Terranova MIPS also features two dedicated ports to securely dock sunglasses while climbing or resting. The 360° head belt in the MET Safe-T DUO retention system ensures that there will be no pressure points on the skull and makes the helmet perfectly stable on the head while riding on rugged terrains. - In-mold polycarbonate shell with EPS liner - Fully polycarbonate wrapped EPS liner enhances durability - Extended head coverage for more thorough head protection - MIPS-C2 Brain Protection System offers extra protection in the case of certain impacts - MET Safe-T DUO Fit System - The 360° head belt with vertical adjustments allow for a customized fit - The injection-molded visor is adjustable and flexible to avoid extra rotation of the neck in case of a crash - Sunglass ports to securely dock sunglasses when climbing or resting - Exceptionally comfortable and secure on the head thanks to refined internal shape - 17 vents are internally engineered for air channeling to improve ventilation and comfort - Certifications CE; AS/NZS; US Sizing: - Small/Medium = 52 – 56cm - Medium/Large = 56 – 58cm - Large/X-Large = 58 – 61cm