North Fuse Safety Glasses With Gray Polycarbonate Anti-Scratch Hard Coat Lens And Break-Away Neck Cord. Lightweight Metal frame with Nickel-free top coat for sensitive skin. Hinged-stoppers on the metal temples and soft adjustable saddle nose bridge. 9-base Polycarbonate hardcoated lenses. Adjustable, break-away Flexicord retainer for added security and convenience. Frame Color:Gunmetal. Lens Color:Gray. Meets ANSI Z87+ Standard.