Jackson Safety Nemesis Rx 3.00 Diopterglass Black Frame 3013309 28630 Frame Color: Black - "Cheaters" style with integral diopters for vision assistance +1.0 - +3.0 diopters available - Larger lens for more complete wraparound protection Precise placement of inserts allows for distortion-free forward vision and increased safety when wearing - Enhanced nose piece design with integrated ridges to channel away sweat Includes free neck cord - Z94.3 Compliant Base Curve 8 - 99.9% UV Protection