These stylish magnifying BiFocal safety reading glasses combine an ergonomic nylon frame with a sleek 7 base polycarbonate lense for the ultimate in safety eyewear protection and style. Soft rubber nose pad with self-adjusting fingers for all day comfort. Olympic safety reading glasses exceed ANSI Z87.1 Industrial Safety Protection Standards and have ultraviolet protection up to 400 nanometers. Available in Black frame with clear or yellow lenses and Tortose frame with brown tint sunglass lenses in three diopter strengths (+1.5 power, +2.0 power, +2.5 power). Precise placement of bi-focal lens inserts helps prevent accidents, headaches and eyestrain. This glass is great for any detail work to include woodworkers, pilots, assemblers, mechanics,hunters & fishermen. (Remington Safari became the Olympic Reader-Same Glass-Same Manufacturer).