The Sinner Visor III OTG Ski Goggles offer the extra space needed to be able to wear your prescription sunglasses under your goggles & they have double orange mirror cat 3 lenses ideal for used in partly cloudy right the way through to glorious sunny days on the slopes The Sinner double lenses offer UV protection & have a high performance anti fog treatment & these goggles have ventilation all to minimise misting up which is particularly important if you are wearing your glasses underneath These mirrored lenses look really sharp with the black frames & will compliment almost all ski outfits You can be confident of their reliable fit thanks to the adjustable straps & the tacky part on the inner of the straps whether you wear them with or without your helmet As for the comfort on the inside of the black matt frames there is soft hypoallergenic foam which has special cut out points on the side to give the arms of your glasses more room making these an incredibly comfortable & lightweight pair of goggles ideal for taking with you on your next snowy adventure