Wonzone Windproof Dustproof Motorcycle Anti-Fog Cross Country Riding Cycling Sunglasses Mountaineering Skiing Snow Ski Goggles Protective Eyewear Classic,medium-to-large-fit goggle offers throwback styling with an advanced lens technology for excellent optical clarity and fog-free performance.This versatile lens is ideal in both fairly sunny and overcast conditions.100% UVA/UVB protective outer layer,and anti-fog and scratch Spherical PC lens,soft lens material, hard twist deformation will not cause any harm to the lens,it wil not break.To ensure that when the lens receive strike will not harm the face. Advanced Lens technology and Aerodynamic Design designed to Prevent Fog and UV400, Eliminate Wind, Sandproof . Perfect protection for safe and healthy eyes. The multi-faceted holes,there are ventilation openings along the up and down of frame are set to facilitate the flow of air to be discharged from the facial skin heat scattered outside,can ensure the mirror has a good visual effects. Suitable for multipurpose usage: Cross-country vehicle, Motorcycle, Skiing, Outside sports, kite surfing, jet skiing, airsoft, paintball and so on.