Fit & Design: Medium/Large Fit Hydrophobic and Oleophobic coatings protect your lenses from salt water, dust and the elements Stainless steel frame with precision flex hinges for stability Adjustable silicone nose pads Aviator lifestyle frame with 6-Base Polycarbonate lenses Rx Friendly Specs: Lens: 59mm Nosebridge: 13mm Temple Arm: 137mm 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