Fit & Design: Medium Fit Hydrophobic and Oleophobic coatings protect your lenses from salt water, dust and the elements Classic square lifestyle fashion frame with 6-Base Polycarbonate lenses Rx Friendly Specs: Lens: 56mm Nosebridge: 17mm Temple Arm: 145mm 100% Protection from UVA, B & C Rays Hard case and microfiber included Additional Details: Hobie(R) Polarized sunglasses are protected for life against manufacturer defects