Fit & Design: Medium Fit TR-90 rounded face with ultra-thin metal temples that allow for maximum comfort Classic square lifestyle fashion frame with 6-Base Polycarbonate lenses Specs: Rx Friendly Lens: 54mm Nosebridge: 18mm Temple Arm: 142mm Additional Details: 100% Protection from UVA, B & C Rays Hard case and microfiber included Hobie(R) Polarized sunglasses are protected for life against manufacturer defects.