RayZor Professional Sports Goggles are designed specifically for active Ski and Snowboard Wear.................................................... RayZor Frames are specially designed using Unique Lightweight Polycarbonate Plastic or Rubber compounds. This makes the RayZor Sports frame both Durable and Lightweight............................................................................................................................... The RayZor Full Face Goggle Lenses have undergone a chemical treatment which will give it a permanent Anti Fog finish to prevent moisture forming on the inside of them........................................................................................................................................ The RayZor Sports Clarity Lens not only blocks out all harmful UV400 rays but allows for fuller clarity on the terrain of the slopes in bright Sunlight or Low Light Conditions.