T-Rex Polarized Sports Sunglasses with 5 Set Exchangeable Lenses for Cycling Imported composite frame interchangeable lens polarized Lens width: 75mm 5 centimeters high 5 centimeters wide Polarized lens, 100% UVA, UVB & UVC protection Soft comfortable rubber nose pads and end tips Superior scratches resistance 5 lenses can deal with different environmental condition Meets ANSI Z87.1-2003 & CE EN166 High velocity impact safety standards