Oakley Women's Drop In OO9232-12 Cateye Sunglasses Plastic Made in US Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 58 millimeters Lens height: 47 millimeters Bridge: 17 millimeters Arm: 143 millimeters patented unobtainium stem pads prevent glasses from slipping out of place comfort and performance of three-point fit that holds lenses in precise optical alignment UV protection of plutonite lens material that filters out 100 percent of UVA/UVB/UVC and harmful blue light up to 400nm optical precision and impact resistance meet or exceed z80.3 optical and basic impact standards varied field of light transmission (top to bottom) via optional gradient lens shading