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. Ray Ban has introduced RB3025i L2823 size-58 Black Men Metal Sunglasses with Aviator black full rim frame. The eyewear with glass lenses reduces almost 100% glare and protect eyes from harmful sun rays. The sunglasses featuring soft nose pads and sleek temples is designed for fashion conscious men.