Fit & Design: Premium Hobie(R) Polarized HydroClean(TM) Lenses Hydrophobic and Oleophobic coatings protect your lenses from salt water, dust and the elements Classic round frame with 6-Base Polycarbonate lenses and 3 Barrel hinges Adjustable nosepads Rx Friendly Large Fit Lens: 51mm Nosebridge: 20mm Temple Arm: 143mm 100% Protection from UVA, B & C Rays Additional Details: Hard case and microfiber cloth included Hobie(R) Polarized sunglasses are protected for life against manufacturer defects