Under Armour Assert Satin Crystal Brown Frame W/ Black Rubber / Gray Polarized Lens Imported Resin frame Mirrored lens polarized 100% UV protection coating Lens width: 70 millimeters ArmourSight advanced lens technology is precisely engineered to provide ultimate optical clarity and impact protection Ultralight ArmourFusion frames are built for maximum strength and durability. Protects against 100% of harmful UVA, B & C rays