Geek Chic Glasses & Sunglasses These vintage-style glasses are made from a custom dark tortoise-shell acetate for a timeless design. Available with clear lenses or tinted brown sunglasses lenses (with UV400 protection). Clear demo lenses can easily be exchanged with prescription lenses by your local optometrist. Tinted lenses are UV400 rated to protect your eyes from both UVA and UVB radiation. Includes hard black leatherette case with gold debossed logo. Measurements: Width: 135mm Lens width: 51mm Lens height: 29mm Bridge: 17mm Arm length: 140mm