Helmets

Electra has always brought you the styles and functional designs you love in the world of cruisers. Now, with their Solid Color Helmet, they keep you looking stylish while keeping your dome safe. This understated, savvy lid offers a variety of sweet color choices to meet your style needs. - Durable ABS hardshell and EPS foam liner max comfort and protection - Fit retention system with reflective bubble decal - Solid color to match any bike. Well, at least your favorite bike. - Secure magnetic Fidlock buckle - Heat sealed and washable padding liner for added comfort - Reflective straps - CPSC Adult Certified Size: - Small: 48-54cm - Medium: 55-58cm - Large: 59-61cm

A stylish road helmet with WaveCel technology designed for riders who prioritize safety and require a fit designed for a rounder head. - WaveCel advanced helmet technology - Intuitive, one-handed Headmaster fit system makes height and circumference adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads - Round fit sizing designed to accommodate rounder head shapes - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

- Made in the USA - Enables Take a Look Original Eyeglass Mirror to fit helmets - Does not work with Take a Look Compact Eyeglass Mirror

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

The Cormick MIPS offers a comfortable fit with deep coverage and open ventilation in a design that is suitable for nearly any ride. It’s built using In-Mold construction to reduce weight while enhancing durability to stand up to everyday use. The ease and comfort of Giro's acclaimed Roc Loc Sport MIPS fit system makes fitting as easy as turning a dial, and the fit system is seamlessly integrated with the Multi-Directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts. When you put it all together, you get the versatility you need to ride everything from forested fire-roads to swooping singletrack trails to the city streets.

We love what's inside of that head of yours. Keep it safe with an Electra Commute MIPS Helmet. The perfect balance of form and function, these stylish and sleek helmets are our most advanced yet. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head. Electra helmets: Making messy hair business professional. - MIPS Brain Protection System - Fit retention system ensures easy adjustment and secure fit - Magnetic Fidlock slide buckle - In mold EPS with PC shell for maximum comfort and protection - Certified to NTA 8776 standard and is ideal for e-bike riders - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Fidlock buckle - Includes: Fabric visor

Everyday helmet that works for everyday kids who just want to hop on their bike and ride. Ready to ride with the grown-ups The Tyro is a dedicated youth helmet packed with the same performance and comfort found in adult helmets. A Fidlock magnetic buckle lets kids secure the chin strap easily, and an easy-to-adjust rear dial conforms to a wide range of head sizes. Product details: - In-molded EPS shell with additional rear coverage for protection and durability - Fidlock magnetic buckle fastens effortlessly for a quick, secure, kid-friendly fit - Dialed fit system provides a secure and comfortable fit - Soft, comfortable, moisture-wicking, and washable helmet pads - Adjustable helmet straps provide a clean look and easy fit management - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Helmet meets ASTM standards—their tests use a smaller mass headform more realistic to younger riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Features: Additional coverage An in-molded EPS shell along with additional rear coverage provides assurance for the unexpected. Fidlock magnetic buckle A Fidlock magnetic buckle fastens effortlessly for a quick, secure, kid-friendly fit. Simply move the two ends close to each other and watch as they magically connect. Dialed fit A dialed fit system provides a secure and comfortable fit with a wide range of adjustability. Fresh pads Soft, comfortable, moisture-wicking pads provide instant and maintained comfort and are also removable for cleaning.

We love what's inside of that head of yours Keep it safe with an Electra Commute MIPS Helmet. The perfect balance of form and function, these stylish and sleek helmets are our most advanced yet. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head. Electra helmets: Making messy hair business professional. - MIPS Brain Protection System - Fit retention system ensures easy adjustment and secure fit - Magnetic Fidlock slide buckle - In mold EPS with PC shell for maximum comfort and protection - Certified to NTA 8776 standard and is ideal for e-bike riders

Keep it safe with an Electra Commute MIPS Helmet. The perfect balance of form and function, these stylish and sleek helmets are our most advanced yet. - MIPS Brain Protection System - Boa System ensures easy adjustment and secure fit - Camera/light mount and reflective visor - Magnetic Fidlock slide buckle - In mold EPS with PC shell for maximum comfort and protection - Certified to NTA 8776 standard and is ideal for e-bike riders - Size small fits circumference 48 cm - 54 cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55 cm - 58 cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59 cm - 61 cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults

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

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

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 MET Echo MIPS is an entry-level MTB helmet high in quality and protection. It’s a perfect choice for those who are just beginning their adventures on the trails. The construction of the helmet offers the same technology and safety, with increased coverage around the back of the head. Featuring the MIPS-C2 brain protection system, the Echo is able to slide against the head in the case of a crash, redirecting damaging rotational motion. - 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 Mid Fit System - The 360° head belt reduces pressure points on the perimeter of the head - The removable visor with hidden anchors ensures maximum versatility - Hand washable comfort pads - Straps with an adjustable divider provide a customized fit - 14 vents are internally engineered for air channeling to improve ventilation and comfort - Reflective rear sticker - Certifications CE; AS/NZS Sizing: - Small/Medium = 52 – 57cm - Medium/Large = 57 – 60cm - Large/X-Large = 60 – 64cm

The MET Estro MIPS is a versatile road helmet ready for your longest day on the bike. As comfortable as a top-of-the-line helmet, its design is widely open to maximize ventilation at low speeds. With 26 vents, 17 of which are inlets and 9 are exhaust holes, all of them work in synergy with the internally engineered air channeling system to ensure maximum ventilation. The Estro MIPS is also exceptionally comfortable. The 360° head belt in the MET Safe-T Upsilon retention system ensures that there will be no pressure points on the skull, and its internal shape is welcoming for almost all different shaped heads. Featuring the MIPS-C2 brain protection system, the MET Estro MIPS is able to slide against the head in the event of a crash, redirecting damaging rotational motion. MIPS is a brain protection system—engineered to add protection 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 front of the helmet features two dedicated ports for securely docking sunglasses while resting or climbing. The design reflects the purpose - to adapt to various uses and environments. Widely open, deeper coverage, a versatile visor, and a full polycarbonate wrap that makes it more durable by avoiding exposure of EPS surfaces to outdoor conditions. - In-mold polycarbonate shell with EPS liner - Full polycarbonate wrapped EPS liner to enhance durability - Extended head coverage for more thorough skull protection - MIPS-C2 Brain Protection System add protection in case of certain impacts - MET Safe-T Upsilon Fit System - 360° head belt and vertical adjustments offer a customized fit - Air Lite straps with adjustable divider maximize aerodynamics and comfort - Sunglass ports to securely dock sunglasses - 26 vents are internally engineered for air channeling to improve ventilation and comfort - Comfort pads are hand-washable - Certifications CE; AS/NZS; US

You need to get out on your bike even in terrible weather. Fitting in an early commute or a mid-winter ride is easier when you're warm, comfortable, and visible. Keeping your head warm in bad weather can be the best way to fend off the elements. - GORE-TEX Product: durably waterproof, windproof and extremely breathable - Reflective band - Elastic hem - Reflective logo - Durably waterproof - Extremely breathable - All weather conditions - Engineered for Cycling - Weight: 0.8 ounces

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

SAFETY ON STEEP TRAILS Steep climbs, high-speed racing, all-day adventures: "Down-country" is action-packed, which means the demands on equipment also increase. Down-country is all about going up fast, down fast and repeating. The Moventor 2.0 MIPS is virtually perfectly for the demands of mountain bikers. The MTB helmet is lightweight, well ventilated and has a deeper fit that gives more protection at the back of the head. When the trail points downwards, the ten air inlets and nine air outlets provide good ventilation. In addition to all the well thought-out features for off-road use, the MIPS model has impact protection. This is intended to protect the brain, especially if the cyclist's head hits the ground at an angle during a fall. In a fall, the brain is exposed to strong rotational movements that can lead to severe brain injuries. With MIPS, a movable low-friction plastic shell is integrated into the helmet to ensure that rotation is reduced and the head is better protected. - Multi-Shell In-Mould for a permanent bond between the outer shell and the shock-absorbing helmet material (EPS) - Zoom Ace MTB: Height-adjustable adjustment system to fit the head circumference - Ponytail compatibility: Helmet well suited for ponytail wearers - Laterally adjustable, non-slip TriVider strap system - Moulded lower shell for added durability - QUIN ready—easy upgrade with the separately available QUIN chip for fall detection - MIPS: Impact protection that protects the brain, especially when the cyclist's head hits the ground at an angle during a fall. - GoggFit: Device that allows a pair of goggles to be fixed to the helmet when the athlete doesn't need them while riding - Ventilation: excellent ventilation through 10 air inlets and 9 air outlets

The combination of innovative design, the latest technology, outstanding functionality, maximum ventilation, and low weight make the Aventor a real allrounder. The Aventor is the perfect helmet for cyclists who need a cool head for riding in high temperatures and on challenging stages. - Double shell, in-mold construction for durable fusion of the outer shell with the shock-absorbing helmet material (EPS) - Lower edge protection provides the helmet with additional protection coverage - ActiCage, structural reinforcement integrated into the EPS, optimizes stability - Zoom Ace, fine adjustment system with handy dial provides a personalized fit - Half-surrounding plastic ring connected to adjustment system - Ponytail compatible - Fidlock magnetic strap buckle Sizing: - Small: 51 – 55cm - Medium: 54 – 58cm - Large: 57 – 61cm

The MET Trenta 3K Carbon Mips® is a high performance road helmet designed with elite cyclists and worn to victory at Le Tour de France and the monuments of Liège-Bastogne-Liège and Il Lombardia. Engineered to keep your head fresh and save you energy with every pedal stroke, the MET Trenta 3K Carbon Mips® is the most advanced road cycling helmet we have ever made, now upgraded with the addition of Mips AIR®, the lightest and most advanced rotational management system.

Adaptable for whatever adventure you're planning, the Spark 2 MIPS is an all-rounder helmet with an adjustable visor that lets you tackle the trail with confidence. Trail Bound Curiosity is best fed on two wheels. The Spark 2 MIPS is designed to scratch that itch to get outside, connect a new loop, or find fun singletrack right in your backyard. The updated ventilated shell shape and internal Sweat Guide keeps your head cool, while the Ergo Fit system plus Integrated MIPS keep your confidence and comfort in check. With an adjustable visor, block the sun during casual family outings on the weekend or add a pair of goggles for longer solo laps on your local trail system. No matter the adventure, the Spark 2 MIPS is an all-rounder helmet ready to tackle the next trail. [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). - ADJUSTABLE VISOR—Adjustable visor allows for sun protection and easy goggle storage. - 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. - GOGGLE GRIPPER—Rubber grip on the back of the helmet keeps your goggle strap in place. Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

A helmet with big kid features for smaller riders. TODDLERS NEED HELMETS, TOO Designed to help protect the young cyclist in your life, the Little Dipper toddler helmet features a built-in visor and easy-to-use magnetic buckles with a kid-friendly fit. It's perfect for little ones riding in a trailer, a child carrier, or all on their own. PRODUCT DETAILS - In-molded EPS shell with full coverage designed for protection and durability - Fidlock magnetic buckle fastens effortlessly for a quick, kid-friendly fit - Soft, removable helmet pads that are easy to clean - Dialed fit system provides a secure and comfortable fit - Adjustable helmet straps provide a clean look with easy fit management - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Helmet meets ASTM standards—their tests use a smaller mass headform that's more realistic to younger riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Size Circumference - Toddler: 46 - 50 cm/18" - 20"

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

DETAILS Premium Style for Recreational MTB How do you improve on the #1, top-selling helmet on Earth? Carefully, and with meticulous attention to detail. This updated helmet boasts a revised silhouette, redesigned integration of the Mips® Brain Protection System, and improved cooling power. Whether you're headed for off-road adventure or just a relaxing spin, the Fixture™ Mips II offers the right combination of value, performance, and classic design that can't be beat. With a strong and striking style, quick-dry padding, a simple and durable Roc Loc® Sport fit system, and reflective rear decals, every rider demand has been addressed. After all these updates and improvements, you'd be forgiven for thinking we doubled the price of this second-generation Fixture, but the Fixture Mips II retains its position as the value leader. FEATURES - 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. Learn more about Mips in the video above. - IN-MOLD CONSTRUCTION — In-Mold Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner. The fusion process allows for better ventilation systems, making in-mold helmets lighter and cooler than traditional helmets. - ROC LOC® SPORT FIT SYSTEM — The Roc Loc® Sport fit system offers easy one-handed operation with a 7cm adjustment range. Its confident clicking feel and sound lets riders know that the helmet is adjusting to a comfortable fit. With comfort similar Roc Loc 5 and ponytail compatibility, the new Roc Loc Sport fit system brings premium function to sport level helmets. - REFLECTIVE DETAILS — Reflective Details enhance visibility at nighttime or in low-light conditions when illuminated by a light source, such as headlights, by returning the light back to the source and reaching the driver's eye. - UNIVERSAL FIT™ SIZING — Our Universal Fit helmets are sculpted to look good and fit great for almost anyone on the first try. By developing proprietary shell sizes based on specific customer groups, and combining them with an easily-adjustable fit system, it's easy for you get the right fit, straight out of the box, without the hassle or expense of trying multiple sizes. HIGHLIGHTS - Quick-dry padding Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

Strap into an evolution and welcome the Aircraft2. Developed in conjunction with athletes at the forefront of riding and racing like Sam Hill, the Aircraft2 takes notes from its predecessor, the Aircraft, and builds. Offering superior protection for when your routine gets off track with our proprietary Smartshock Technology, the most advanced helmet to date is ready for flight. - Carbon Fiber shell with paten pending injection molded chin bar integration - Smartshock® Rotational Protective System (14 point) - Incredibly sturdy, full face downhill helmet - Multi-density EPS foam injection molded with polycarbonate in size specific molds - Massive airflow with a class-leading 20 ventilation ports - Multi-point adjustable visor designed for maximum vision and goggle stowage - Washable, moisture-wicking anti-microbial liner - D-Ring buckle for maximum security

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

Bontrager's Solstice offers the protection kids need and the comfort they demand in a lightweight, stylish package. It features tough, in-mold construction for safety and durability, along with a bunch of large vents for cooling ventilation. Bontrager's LockDown side straps and Micro-Manager Fit System gives them a custom fit that is tailor-made just for them. Plus, it sports a removable, snap-on visor, too.

Sleek race-inspired styling, rugged construction and a trusted Giro fit. That's the Monza — a great road helmet from the company that defined the term. This svelte lid boasts 24 vents so you'll keep cool on group rides, centuries, even races. Plus, Giro's Roc Loc 4 fit system feels so nice you might forget you're even wearing a helmet.

Bontrager's Solstice offers the protection you need and the comfort you demand in a lightweight, stylish package. It features tough, in-molded construction for safety and durability and a bunch of large vents for cooling ventilation. Bontrager's Universal system gives you an amazing right-out-of-the-box fit you'll love. Combine that with the LockDown side straps and the Micro-Manager Fit System and you've got a custom fit that is tailor-made just for you. Plus, it sports a removable, snap-on visor, too.

For maximum safety, the Viantor has the ActiCage structural reinforcement integrated into the EPS. It provides maximum protection while ensuring optimal ventilation and extreme comfort. - ActiCage allows for large ventilation openings without compromising the helmet's safety - Multi Shell In-Mold for durable bonding of multi-part outer shell and shock-absorbing helmet material (EPS) - Good ventilation with 4 air inlets and 14 air outlets connected with flow channels - Zoom Ace fit system with a non-slip adjustment wheel - Semi-enclosing plastic ring connected to the adjustment system for optimum stability and fit - Ponytail-compatible and well suited for braided hairstyles Sizing: - Small: 51 – 55cm - Medium: 52 – 58cm - Large: 58 – 63cm