Bobster Force Convertible Sunglasses Features Converts from sunglasses to goggles with removable/adjustable strap Removeable magnetic closed cell foam, easy to change from sunglass to sunglass with foam Polycarbonate frame in matte black Anti-fog photochromic lenses that go from clear to smoked with the intensity of light 100 UV protection Removable temple, strap and foam Protective storage/carrying case and microfiber cleaning cloth included