This Snowboard Helmet is to protect your head from unexpected injury during skiing.Durable PC shell with great impact resistance and high density EPS foam for great buffer action and shock absorption. Thickened lining with detachable earmuffs ensures thermal insulation,suitable for winter outdoors acitivies. Features: Safety Construction: Durable PC shell with impact resistance and high-density EPS foam for great shock absorption and buffer action. Warm Wearing & Easy To Clean: Detachable plush lining and warm chip pad,provides warm in cold winter and easily remove to wash.And removable thick earmuffs with breathable mesh design,provides you better hearing and ventilation. Breathable Ventilation: Warm velvet lining with mesh net structure and 10 air vents effectively exhaust the moisture and keep cold air out. Comfortable Fit: Rotatable dial to easily adjust the perfit size for your head to comfortable wearing duing outdoor activities.Head Circumference: 58-61cm/22.8-24.0in. Goggle Fixed Strap: A button strap behind the helmet to fix your goggle in place,which do not worry about loosing or falling down easily. Good Protection: Cool for motorcycling,skiing and others snow sports. Specification: Color: Black / Silver / White / Blue / Pink / Grey (optional) Material: PC+EPS+Plush Head Circumference: 58-61 cm / 22.8-24.0 in Air vents: 10 Weight: Approx. 430.9 g / 0.9 lbs Package List: 1* Snowboard Helmet NOTE:Item color displayed in photos may be showing slightly different on your computer monitor since monitors. Thank for your understanding.