High impact resistance Our spherical ski goggles use a flexible TPU frame and unbreakable PC lenses to help protect your eyes from outdoor activities. It will protect skiers and snowboarders for better impact resistance. When you are hit, the lens will block the impact of the front, and the frame and thick sponge will relieve the impact UV protection and anti-fog ski goggles use Italian double-layer anti-fog lenses. Better anti-fog and UV protection. Provide you with a fog-free environment and enjoy the snowy days. Please note Remove the film before use OTG u0026 Comfortable sponge OTG design allows you to wear your glasses under ski goggles. Even if we are nearsighted, we can enjoy the sport with pleasure. At the same time, the thick sponge provides you with a comfortable and sealed wearing experience. Let you have a better skiing experience Adjustable headband u0026 Helmet compatibility High-density weave headband with excellent elasticity. Consisting of two headbands for better adjustment of the length of the headband, ensuring excellent helmet compatibility for all helmets. Suitable for adults and teenagers Ventilation system Designed to reduce fogging and optimizes the flowing air over the inside of the lens. ski goggles provide smooth air-flow system which brings fresh air and exhaust moisture quickly and effectively when you are skiing