Stay safe with the S21 Series from MCR Safety. Accidents happen when people take off their glasses, but with these sleek, style-conscious safety glasses you'll wear them all day! The S21 features a frameless lens design that will allow an unobstructed view, metal temples and non-slip temple sleeves. The UV-AF® Anti-Fog coated lens are Eco-friendly and UV cured, providing 3 times greater Anti-Fog performance than generic Anti-Fog safety glasses. Choose the best safety glasses, choose MCR Safety! To learn more about our anti-fog styles and anti-fog coating options click here!