UV400 Sunglasses Eyeglasses Snow Ski Goggles Anti-Fog Double Lens Anti-Slip OTG Design HB-197BThese ski goggles are with UV protection, anti fog and anti slip design. There are also magnetic lens, so people can get quick replacement. The ski goggles are with Revo design, which make it possible to prevent snow blindness. Also, the ski goggles are with adjustable design. So you can easily adjust the strap to fit them better. These recesses are padded with foam for better carrying. By the way, the snow goggles are OTG available. The maximum size