Randolph Unisex Aviator 55mm Made in the USA and Imported Metal frame Glass lens Non-Polarized 98-100% UV protection coating Lens width: 55 millimeters Lens height: 45 millimeters Bridge: 20 millimeters Arm: 140 millimeters Lifetime warranty on all solder joints Multi-layer Flash Coating. Made in the United States of America since 1972 Case Included Jewelry-quality finishes coated for durability Highly scratch-resistant mineral crown glass lenses