Edge Eyewear Zorge G2 Safety Glasses Black Frame / Polarized Smoke 2.0 Magnification Lenses, Edge Zorge safety glasses combine glare-reducing polarization with bifocal technology Polarized lenses maximize visibility by reducing glare from above and light reflection from below Magnifier lens features bifocal technology with magnification in the lower lens half Frames feature a semi-rimless style with a metal "E" logo on each temple Elimination of side shields gives you full use of peripheral vision