OTG (Over-The-Glasses) design provides economical alternative to prescription eyewear. Features soft duoflex cushioned temples, adjustable ratchet lens inclination, universal nosebridge, and single panoramic polycarbonate lens with molded sideshields and browguards. Shade 5.0 Infra-dura, Ultra dura lens 10/bx. WARNING: IRUV products block red spectrum colors and are not to be used when color recognition, such as when driving, is essential