OveRxCast Polarized Sunglasses &ndash;Designed to Fit Over Prescription -Large Frame Fits over prescription eyewear 100% polarized, uva and uvb protection Patented frame design provides top, bottom and side protection Lenses are prescription ready (Rx-able) Fits over prescription eyewear 100% polarized, uva and uvb protection Patented frame design offers protection from all angles Extremely popular with fisherman 1 year warranty worn over prescription glasses, LARGE SIZE blocks 100% of harmful UV rays, eliminates glare fits over frames up to: 5 7/16" wide X 1 7/8" high, 138 x 48 mm composite poly frame