These glasses are crafted of TR-90 UltraFlex, UltraLight Frame Technology. Comfort fit rubber nose piece. Soft, non-slip rubber temple ends. 99.9% protection from harmful UVA and UVB rays 100% visually correct de-centered lenses 2.2mm Panlite brand polycarbonate lens material Lens quality and performance meet and exceed ANSI Z87.1-2003 high impact standards Crossfire lenses can withstand the impact of a .22 cal long rifle bullet fired from 45 feet with no penetration of the lens. Every pair of our glasses includes a micro-fiber carry case, anti-fog cloth and adjustable cord. SAFETY with STYLE All glasses include a Black micro-fiber storage bag and a 3/16" adjustable woven cord