Fit & Design Premium Hobie(R) Polarized Hydro 360 Lenses. Dual coated Hydrophobic and Oleophobic on the front and back of each lens Medium Fit Anti-Fog Gasket TR-90 Frame with precision flex hinges, Megol Rubber Temple and Nose Grips Sport wrap frame with 8-Base Polycarbonate lenses Rx Friendly Technology 100% Protection from UVA, B & C Rays Additional Details Hard case and microfiber included Hobie(R) Polarized sunglasses are protected for life against manufacturer defects.