Fit & Design: Premium Hobie(R) Polarized Hydro 360 Lenses Hydrophobic and Oleophobic coatings protect your lenses from salt water, dust and the elements Classic square frame with 6-Base Polycarbonate lenses and integrated Cam Hinges Rx Friendly Medium/Large Fit Lens: 58mm Nosebridge: 19mm Temple Arm: 130mm 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