Oakley Feedback Polarized Sunglasses - Women's Acetate,Wire Frames Made in US Metal frame Plastic lens Polarized Iridium 100% UV protection coating Lens width: 28 millimeters Bridge: 22 millimeters Arm: 136 millimeters Case included Lenses are prescription ready (rx-able) The feedback frame is an ultra-feminine classic teardrop shape frame. With warm tones on an acetate frame is the perfect frame for an active woman with a stylish frame.