Ergodyne Skullerz Kvasir Safety Glasses - Matte Gray Frame, In/Outdoor Lens Matte gray frame with indoor/outdoor safety lens for indoor use, nighttime wear and other low-light conditions Meets ANSI Z87.1+ safety & MIL-PRF 32432 Military Ballistic Impact protection requirements Scratch-resistant lens blocks 99.9% of harmful UV Lightweight medium frame design Rubber temple tips and molded nose piece Optional foam gasket insert Kvasir-FGI helps keep out dust and debris; add Skullerz Elastic Eyewear Strap to further secure the glasses in harsh environments (strap and gasket not included, sold separately)