QR Code Link to This Post LIBERTY REC SPECS MAXX MX31 HALO ASTM F803 SPORT Eyeglasses I don't know what the prescription is but lenses can be changed by your optometrist . Frames , strap , and case are in like brand new condition .Be totally in the zone with certified protection. With an adult unisex shape, the MAXX 31 Meets or exceeds ASTM F803 impact resistance standards for several sports such as basketball, tennis, soccer, squash, bike and more. A great sun solution for protective sports eyewear. The first protective sports eyewear to receive the AOA seal of Acceptance! Meets or exceeds ASTM F803 impact resistance standards for several sports.asking $100 or best offerThis lenses are good for sport, motorcycle etc