DRIFT Direct Winter Snow Sports Anti-fog Double Lens UV 400 Protection Snowboard Ski Goggles Skateboard Skiing Snowmobile Sunglasses Eyewear High Quality, Polycarbonate lens withstand high impact. Elastic belt strap made of nylon fiber, 35mm width and about 40cm in max length. Frame is made by bi-raw material, UV-400 protection. The interior frame is seated with soft foam for comfort wearing. Suitable for multipurpose usage, outdoor sport, kite surfing, jet skiing, airsoft, paintball, etc.