Bolle Y6 OTG Snow Goggles, Anti Fog, Shiny White, Vermillon Gun Lens - 20491 You don't have to ditch your glasses to wear your goggles. The Y6 OTG goggle slips on right over your glasses for a comfortable fit that keeps you seeing clearly while you take on the mountain. Its medium fit slips securely on over your helmet while its advanced venting technology keeps you and your glasses fog free.