These sunglasses are UV 400 protected. Experts recommend sunglasses that reflect or filter out 99-100% of UVA and UVB light, with wavelengths up to 400 nm. Ray-ban does just that for you. These sunglasses are designed for men. It has adjustable nose pads and elegant temples for a comfortable wearing experience. The lenses protect the precious eyes from harmful sun's rays, pollutants and other adverse effects.