Stay safe with the S21 Series from MCR Safety. Accidents happen when people remove their glasses, but with these sleek, style-conscious safety glasses, you'll wear them all day! The S21 features a frameless lens design that provides an unobstructed view, metal temples, and non-slip temple sleeves. The S21150 is made with a 5.0 filter lens for light torching and brazing. Choose the best safety glasses, choose MCR Safety! This product meets the ANSI/ISEA Z87.1 2020 standard.