S4 Women&#39;s Whynot 791S4 Oversized Resin Sunglasses,Black Frame/Smoke Lens,one size TR-90 grilamid nylon frame Polycarbonate lens 100% UV protection coating Lens width: 75 millimeters Lens height: 47 millimeters Bridge: 12 millimeters Arm: 115 millimeters Lenses are prescription ready (Rx-able)