Safety Glasses Series S21 Gender Unisex Lens Color Gray Polarized Lens No Lens Coating Scratch-Resistant No Foam Lined Eyewear Frame Design Wraparound Eyewear Frame Style Frameless Eyewear Size M Lens Material Polycarbonate Temple Color Slate Temple Style Hybrid Photochromatic Lens No Metal Detectable No X-Ray Detectable No UV Protection 99.9 Percent Standards ANSI Z87+ AS/NZS 1337.1 CAN/CSA Z94.3