These durable, half-rim, polycarbonate wrap-around sport sunglasses are great for biking and other outdoor adventures. The anti-scratch outer shield protects the clear and detachable prescription lenses underneath. It has five different colors lens, multi-color, crystal, gray, yellow and blue, which can wear at different occasions. Besides, it can also be made prescription lenses. The rubber nose pad and polycarbonate temple arms with rubber tips provide a comfortable and secure fit.