SUNVP Unisex Bike Helmet Lightweight Bicycle Helmet with Adjustable Strap Multi-sport Skateboarding Skating Cycling Safety Protect Gear Sports Helmet for Youth Men and Women Material: High grade Expandable Polystyrene (EPS) and Polycarbonate (PC),Integrated. weight:0.76 lb Size:Head girth: 20.47-24.02 inches.Suitable for youth and adult. This helmet has CE/EN1078 certification. Classic skate design helmet with 11 vents to keep you cool and high quality EPS encased by ABS to keep you safe. Lower Cut Shell gives Improved Comfort and Fit; Black Straps with Buckle and Separators.Our SUNVP helmet interior padding technology wicks away sweat, stench, and bacteria, keeping you dry and irritation-free Keep your head protected in this Critical Cycles helmet from Cycling,Kick Scooter,Hip hop,Skateboard,Roller-skating and Climbing etc extreme sport.