Fit & Design: Lightweight Floating Frame Material Removable Side Sheilds and Adjustable Retainer Included Premium Hobie® Polarized HydroClean™ Lenses. Hydrophobic and Oleophobic coatings protect your lenses from salt water, dust and the elements Medium/Large Fit Lens: 53mm Nosebridge: 20mm Temple Arm: 126mm 100% Protection from UVA, B & C Rays Additional Details Hard case and microfiber included Hobie® Polarized sunglasses are protected for life against manufacturer defects. California Proposition 65