Wiley X ultra protective eye wear uses the world’s most durable and lightweight materials shatterproof Selenite polycarbonate lenses with scratch resistant T-Shell Hardcoat, and virtually indestructable Triloid nylon frames. Not to mention, flame resistant materials. Wiley X – the only premium performance sunwear manufacturer whose entire line is safety rated. Wiley X Filter 8 polarized lenses provide 100% polarization and block 100% of the sun’s harmful UVA and UVB rays (up to 400 nanometers). Wiley X lenses also provide clarity with no distortion, maintain true object size and a true spatial relationship of objects in the field of view.