Native Eyewear Unisex Hardtop XP Imported plastic frame Interchangeable lens polarized Lens width: 66 millimeters Lens height: 41 millimeters Bridge: 15 millimeters Arm: 121 millimeters 3" high 3" wide Interchangeable lens system, Sportflex lens included Rhyno-Tuff air frames are lightweight and comfortable enough to wear all day Mastoid temple grips rest comfortably behind your ears on the mastoid bone Optimal fit for large profiles Cushinol nose pads ensure a soft feel and custom fit, regardless of nose shape or size