Crews BKH10 BearKat Magnifier Polycarbonate 1.0 Diopter Clear Lens Safety Glasses with Non-Slip Hybrid Black Temple Sleeve, 1 Pair BearKat magnifier safety 1.0 diopter clear lens glasses with non-slip hybrid temple sleeve Single lens design with integral side shields for unobstructed view Rugged polycarbonate lens filters 99.9 percent of U.V. rays These glasses are best in safety, comfort and affordability Available in black temple sleeve and 1.0 diopter clear lens color