NECTAR Wide Flat Top Sunglasses with EuphoricHD Polarized Lenses and UV Protection (White Tortoise Frame / Gold Mirror EuphoricHD Polarized Lenses) Durable polycarbonate frame made to take a beating Optimum impact resist frame material Scratch resistant film over all lenses Reduces blinding eyestrain off water and snow HC TAC Hardcoat Triacetate Cellulose TAC Polarization Film PVA Poly-vinyl compound for flexibility TAC Polarization Flim UV 400 blocks all harmful UVA, UVB + UVC rays HC TA Hardcoat Triacetate Cellulose Revo Mirror coating