Safety Glasses - Eye protection is essential when you work with glass! The clear, one-piece polycarbonate lens provides protection from glass projectiles, ultraviolet and infrared rays. The Yukon® features a contemporary wrap-around style. It provides increased angular coverage and improved peripheral vision. Molded-in brow guard and vented sideshields give additional protection. Meets ANSI Z87.1 * UV 400 guards against ultraviolet and infrared rays * Lightweight for comfort and balance * Ideal for stained glass, mosaics, woodworking and flameworking * The Yukon® XL is an enlarged version that allows room for wear over regular prescription eyeglasses.