GXR SUNGLASSES BLACK W/SMOKE LENSThe GXR series feature wrap around polycarbonate frames and includes a detachable strap, allowing use as a sunglass with the extra security of knowing they will remain in place. The anti fog polycarbonate lenses are available in smoked, amber or clear while cell foam adjusts to facial contours allowing the optimal amount of air flow. Temple to Temple: 125mm Polycarbonate Frame Anti Fog Lenses Closed Cell Foam RX Ready They Float! Frame size: Medium