Shooting Glasses by AR500Built for tactical performance, but also suited for facing non-threatening situations in style. Designed to provide superior protection and vision enhancement in any environment. Your new lightweight shades will come in a Premium Hard Zipper Case and include a Microfiber Cleaning Cloth to help protect and maintain when not in use.Specs: TAC Lenses 1.1 mm: Triacetate Cellulose polarized lenses offer superior visual and polarization clarity. They are hard coated to resist scratching and block out 100% of all harmful UV rays (UVA, UVB & UVC) up to 400 nanometers. Lightweight and highly impact resistant, meeting all ANSI Z87.1 standards. Grade A Polycarbonate Frames: Polycarbonate has more than four times the impact resistance of fiberglass, exhibiting a tensile strength of 900 pounds per square inch, compared to fiberglass which is 220 pounds per square inch.