Adidas A391 Adilibria Sunglasses Resin frame Composite lens Polarized 100% UV protection coating Lens width: 54 millimeters Arm: 120 millimeters Tri.fit temple, double-snap nose pads, quick-change lens system, quick-release hinge, traction grip, spx & flex zones, ventilation system Case Included Lenses are prescription ready (Rx-able)