Performance Ski Goggles with Frameless Design: Large spherical, frameless lens provides a truly unobstructed and clear view of the slopes. Designed for ultimate performance and comfort OTG (Over-The-Glasses) Design: The Ski Goggles PRO features an OTG design that lets you wear your glasses under the goggles. All lenses are anti-fog coated and offers 100% UV400 protection Universal Helmet Compatibility: Extra long elastic strap ensures great helmet compatibility with all helmets. Suitable for both adults and teens DURABLE Performance Materials & Venting System -- our ski goggles are made from a durable Thermoplastic Urethane Polymer material,this makes findwy ski goggles difficult to be oppressed and not causes damage. The thick and soft layer of sponge on the frame is padding around your eye sockets for prolonged wear without discomfort and irritation.two way venting system to exhaust the heat to keep anti-fog and comfortable in skiing or snowboarding 1.Frame : TPU 2.Lens: Double lens PC+Anti-fog lens 3.Foam: Three layer foam 4.Strap: black strap with anti-skip silicone lining inside