Bobster Phoenix OTG Interchangeable Lens Goggles Wear these OTG (over-the-glasses) goggles with your prescription lenses or by themselves for the ultimate in comfort and protection from the elements. Features: Three sets of lenses included: Anti-fog smoke, amber and clear Distinct groove in sides will fit over standard prescription glasses for comfortable fit Neoprene foam and flexible polyurethane frame combine to create a molded seal over the face 160mm length