Force is a frame we are so excited to bring you. With a removable magnetic closed cell foam, these are so easy to change from sunglass to sunglass with foam. Anti-fog photochromic lenses that go from clear to smoked with the intensity of light. Goggle strap included allows you to take off the temples and insert the strap to turn these sunglasses into goggles. This versatile frame gives the wearer plenty of options, wherever adventure takes you.