Proof Smokejumper Polarized Oval Sunglasses Imported Composite frame Composite lens Polarized 100% UVA / UVB protection coating Lens width: 58 millimeters Lens height: 50 millimeters Bridge: 17 millimeters Arm: 143 millimeters Handmade from sustainably sourced wood CR39 lens Stainless steel spring loaded hinges 100% UVA-UVB protection Water-resistant