Oakley Men's Frogskins (a) Polarized Iridium Rectangular Sunglasses, Matte Brown Tortoise, 54 mm Made in US Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 54 millimeters Lens height: 44mm Bridge: 17 millimeters Arm: 139 millimeters Lenses are prescription ready (Rx-able)