Ultralight Racing Cycling with Sunglasses Intergrally molded MTB Bicycle Men Women Mountain Road Bike

■ Weight,Sizes & Colors255gOne Size: M/L(55-61cm)5 ranging colors■ ConstructionOuter Shell Construction:In-mold polycarbonate shell with EPS linerInner Shell:Thermoformed reinforcement shoabsorbing polystyrene■ Fit SystemLightweight fit system with an easy-to-turn dial for adjustments■ Ventilation22 Wind Tunnel vents with internal ing■ ComfortRemovable and washable inner padding in Coolmax material- COOLMAX internal pads(cushioning comfort pad) are used in larger surface in contact with the head for increased comfort. Detachable for hand wash and anti-allergenic.Comfort Liner and Chin Pading keeps a good fit■ Be SeenNo reflective rear sticker■ Certification CE EN 1078