Tifosi Tyrant T-I771 Sunglasses Grilamid TR-90 and aluminum frame Polycarbonate lens Non-Polarized 100% UV protection coating Lens width: 72 millimeters Lens height: 40 millimeters Bridge: 15 millimeters Arm: 135 millimeters 3" high 4" wide Polarized: no Photochromic: no Interchangeable Lens: yes Frame: Grilamid TR 90 (nylon) Nose Pads: yes