Tifosi Slip Shield Polarized Sunglasses Grilamid TR-90 and homopolyamide nylon Imported Grilamid TR-90 Nylon frame Polycarbonate lens Non-Polarized 100% UV protection coating Lens width: 134.5 millimeters Bridge: 10 millimeters Arm: 127 millimeters 3" high 4" wide Shatterproof, optically decentered polycarbonate lenses