These durable, full-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 four different colors lens, tawney, crystal, silver and black , which can wear at different occasions. Besides, it can also be made prescription lenses. The adjustable nose pads provide a comfortable and secure fit.The precision design perfectly fits the face, and provides comfort within a sleek, aerodynamic frame. It is available in white and black.