Smith's Castaway ChromaPop Glass Polarized Sunglasses are designed to keep your eyes protected during sunny days by the water, on the trail, and in the city. The lenses are anti-reflective and have a hydroleophobic coating. Hydrophilic temple and nose pads keep your glasses on your face while the included PivLock eyewear retainer makes sure you won't lose them. When the sun finally sets, store them in the included zippered hard case or the microfiber case.