Adults

RISE ABOVE. With cutting-edge design and maximum ventilation, Rev is one of the official helmets of Team Giant-Sunweb. From hors categorie climbs to World Cup cyclocross racing, it’s the ultimate choice for superior fit, comfort and protection. FEATURES - 21-vent configuration for optimal airflow and top-of-the-head ventilation - LiteForm webbing for enhanced comfort and performance - Internal Structural Shell (ISS) for strength at a reduced weight - Giant CINCH+ fit system for simple and easy head-hugging comfort - Proprietary TransTextura PLUS anti-microbial fast-wicking pad technology - MIPS is a low friction layer between the head and the helmet that provides added protection with respect to angled impacts SPECIFICATIONS - Western: S (51-55cm);M (55-59cm);L (59-63cm) - Weight: 280g (size M, CPSC/CE) - Certifications: CPSC/CE;AS/NZS

- 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

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

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

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

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.

- Open face all mountain design - 19 vents - ConeHead Technology utilizing dual density foams in impact absorbing zones - Full rear coverage - Boa one hand dial fit adjustment - Adjustable visor - Rapid adjust chin strap - Certified : CPSC Bike Sizing: - X-Small/Small = 52 – 55cm - Medium/Large = 56 – 59cm - X-Large/XX-Large: 60 – 63cm

PRO ADVANTAGE Drawing inspiration from our acclaimed Rev MIPS and Pursuit MIPS helmets, the all-new Rev Pro MIPS helmet is the perfect combination of ultra-lightweight head-cooling design, aero speed, comfort and safety. On the grueling day-long ride or in the all-out sprint, the Rev Pro delivers you maximum performance advantage. FEATURES - We've got you covered! 1 year crash replacement program. - CFD-analysis optimized shape combines maximum ventilation with optimal aero profile - Broad vents and deep interior channels provide consistent air flow without sacrificing aerodynamics - Integrated Cinch Pro MIPS system allows more dispersed contact points around the head for all-day comfort and precise adjustment - Five-position height adjustment discreetly incorporated into lower EPS foam layer - Low- and high-speed impact-tuned construction with optimized low-density EPS, and an ultra-thin toughened polycarbonate shell - Element Strap System (ESS) provides easily adjustable, ultra-thin, LiteForm single-layer straps - TransTextura Plus advanced natural fabrics fight bacteria growth by pulling sweat from a rider’s head and inhibiting the buildup of odor. SPECIFICATIONS - Western: S (51-55cm), M (55-59cm), L (59-63cm) - Asian: S (51-57cm), M (55-61cm), L (59-65cm) - Weight: TBA - Certifications: CPSC 16 CFR Part 1203, CE EN1078 2012+A1, AS/NZS 2063-2008 with Amendment 1-2009

Ready for the trail. Designed for the fast descents and long technical climbs. This is the perfect helmet for committed trail riders and those wanting to explore beyond the beaten path. Where it thrives: Challenging trails, out in the elements What it's built for: Durability, comfort Highlights: - 13 air vents - Deep rear coverage - Adjustable angle visor

- 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)

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

Cool, Comfortable, and Certified Inspired by the premium Rev Pro, the Rev Elite combines ventilation, comfort, and certified protection to provide an accessible option with sleek, modern looks. With 18 aerodynamically optimized ventilation channels, an integrated Mips® Evolve Core low-friction layer, and four-position rear height adjustment, it’s ideal for performance-minded road, gravel, and XC riders. HIGHLIGHTS Inspired by the premium Rev Pro, the Rev Elite combines ventilation, comfort, and certified protection to provide an accessible option with sleek, modern looks. With 18 aerodynamically optimized ventilation channels, an integrated Mips® Evolve Core low-friction layer, and four-position rear height adjustment, it’s ideal for performance-minded road, gravel, and XC riders. FEATURES - All-new head form design for more universal fit - User-friendly, precise four-position snap-in rear height adjustment - 2mm and 6mm Ionic® padding options provided - Supple and lightweight anti-microbial strap system made from recycled fabric - User-friendly side-release buckle - Lightweight at 280 grams - 18 aero-optimized head-cooling ventilation channels - Ionic+® padding with silver fiber fabric inhibits the growth of odor-causing bacteria and conducts and reflects body heat more efficiently - Proprietary integrated brow pad design blocks sweat - Integrated Mips rotational impact protection technology - Dual density EPS foam derived from recycled materials - Sub-PC shell design for maximum protection at minimum weight - Five-star rating from world-renowned Virginia Tech Helmet Safety Lab - Reflective treatment on rear panels - Updated design for a sleek, performance look

Ride smart. It's a no brainer. Helmets don't have to be boring. Fortunately, boring isn't in our vocabulary. 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 - Safety, comfort and function for all riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over.

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

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

Renowned for its ventilation and comfort, this all-purpose MTB helmet is fitted with 360 Turbine technology, offering great protection at a fair price. This fully ASTM DH-certified helmet is the go-to helmet for Enduro and bike park riders. Uphill, downhill, upside down, E-bike, or trail - you name it, the Gravity 4.0 has you covered. The full-face design with a removable mouthpiece offers outstanding ventilation and its convenient Fidlock® buckle makes life just peachy! We all crash. Sometimes hard, and sometimes even harder! There is a solution to minimize the risk of a head and brain injury, however – go and get the best helmet you can find that reduces both rotation and impact energy to your head and brain! Our helmets feature 360 ° Turbine Technology, the helmet is lined with turbines that are 360 °moving discs constructed from an energy-absorbing shape and material, this tech has two exclusive advantages, namely the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level. So, the next time you crash, see to it that you are protected by the best! Details: - DH-certified lightweight Polymer shell in two sizes - Maximized ventilation with 22 vents - Removable mouthpiece ventilation cover - Fidlock magnetic closure system - 360° Turbine Technology - Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion - Reduces peak brain rotational acceleration by up to 40% - Dri-Lex® moisture-wicking, breathable, anti-odor, and washable inner liner - Optimal neck brace compatibility - Visor with breakaway function for rotational reduction in a crash - In-molded EPS + EPO impact foam for superior energy absorption - Weight: From 850g (1.87 lbs) - Certified and tested: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC1203

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

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

The MET E-Mob Mips e-bike helmet addresses the needs of urban commuters by enhancing safety, comfort, and visibility. Designed for both pedal-assisted and non-assisted commuting, it's the lightest e-bike certified helmet, featuring advanced safety technology and rigorous testing. With a USB-rechargeable red LED rear light and reflective decal, it offers increased visibility in traffic. The NTA 8776 certification ensures superior energy dissipation in crashes, making it one of the safest urban helmets at just 365g for a medium size. - In-mould polycarbonate shell with EPS liner, NTA 8776 certification, extended head coverage, and MIPS rotational management system - MET Rear USB LED light (steady, pulse, blinking modes) and reflective rear decal - MET Safe-T Sport Fit System, 360degree head belt, refined internal shape, hand washable comfort pads, anti-pinch ratchet buckle, and adjustable straps - Integrated visor, anti-insect net, 17 vents with internal air channeling

The Revo MTB helmet is designed to significantly elevate safety, providing superior protection from both rotational and linear impacts. With improved internal airflow channels, it offers up to 23% more ventilation than its predecessor, ensuring optimal comfort at any speed. The adjustable visor allows for multiple positions, including space for sunglasses storage, and features a safety-release system that detaches during a crash to prevent helmet misalignment. - In-mould polycarbonate shell with EPS liner, Mips AIR® rotational management system, NTA 8776 certification, extended back head and temple coverage, adjustable visor with safety release, and flexible injected visor - Full polycarbonate wrap with embedded strap anchors, sunglasses ports for secure docking, and a soft storage bag - Fidlock magnetic buckle for easy securing and soft storage bag included - Safe-T Heta fit system, 360degree head belt with 3 vertical adjustments, Fidlock magnetic buckle, and a 23% improvement in ventilation with 23 vents and internal air channeling

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 Downtown MIPS is a truly modern touring helmet, ready for a weekend trek or the daily bicycle lane. The internal air-channeling and large number of vents provide exceptional ventilation. The 360° head belt and lightweight design ensures that there will be no pressure points on the skull. Featuring the MIPS-C2 rotational management system, the Downtown is able to slide against the head in the case of a crash, redirecting damaging rotational motion. MIPS is engineered to add 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. - In-mold polycarbonate shell with EPS liner - MIPS-C2 Brain Protection System offers extra protection in the case of certain impacts - Safe-T Twist 2 Fit System - 360° head belt and vertical adjustments offer a customized fit - Straps with an adjustable divider provide a customized fit - Reflective rear decal to enhance visibility - 17 vents are internally engineered for air channeling to improve ventilation and comfort - Comfort pads are hand-washable - CE; AS/NZS; US Sizing: - Small/Medium = 52 – 58cm - Medium/Large = 58 – 61cm

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 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.

The MET Trenta MIPS a performance road helmet engineered to maximize ventilation and save you energy with every pedal stroke. Featuring the MIPS-C2 rotational management system, the MET Trenta MIPS is able to slide in the case 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. Scientifically designed air vents harness the power of the Venturi effect, pushing out warm air within the helmet through specially positioned exhausts to ensure constant airflow. The tail of the helmet also features an aerodynamic design to effectively drive airflow. - 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 - 19 vents and an internal air channeling system are engineered to improve ventilation and comfort - Sunglass ports securely dock sunglasses when climbing or resting - Tube-shaped tail improves aerodynamics - Limited contact with the surface of the head helps to maximize the ventilation - Certifications CE; AS/NZS; US Sizing: - Small = 52 – 56cm - Medium = 56 – 58cm - Large = 58 – 61cm

- Visor: Yes - Impact Protection System: MIPS - Certification: CPSC, EN1078 - e-Bike approved: No

The Full Cut helmet features a retro design with compression-molded pads. - Classic ear protection styling - HDPE or ABS shell lined with EPS and outfitted with compression-molded pads - Two-stage premium liner - Stainless steel hardware - Soft tubular webbing - Multi-impact, and Multi-Certified (CPSC, CE, ASTM, AS/NZS 2063:2008) - Small = 54 – 56cm - Medium = 56 – 58cm - Large = 58 – 60cm - X-Large = 60 – 62cm

PROTECTED ALL AROUND With the AirDrop, ABUS offers its first full-face helmet that provides the best protection even for your most daring jumps. Enduro racers, downhillers, E-MTB riders and alpine adventurers are always pushing the limits of mountain biking. Increased protection used to mean heavy, hot and claustrophobic full-face helmets. The ABUS AirDrop, by contrast, features ASTM-certified DH safety levels with exceptional ventilation and trail-friendly weight. New technologies like our EVA collarbone protector inserts, breakaway visor attachments and side communication channels bring real benefits to bike parks and the backcountry. If gravity is the thrill you need, the AirDrop is the MTB helmet for you. - In-mould manufacturing for a durable connection to the outer shell with shock-absorbing helmet material (EPS) - Zoom Ace FF: Adjustment system to fit the head circumference - Collarbone protection edges - QUIN ready—easy upgrade with the separately available QUIN chip - Breakaway visor bolts - ASC—ABUS communication channels increase spatial awareness - Breathable cheek pad inserts - Design suitable for spectacles - Double D-ring buckle system - Ventilation: excellent ventilation through 11 air inlets and 6 air outlets