Radians RSB-425 Rad-Sequel RSx Lightweight Bi-Focal Glasses with Coffee Polycarbonate Lens,Radians,RSB-425" /> Rad-Sequel RSx lightweight bi-focal glasses with cushioned, non-slip rubber tipped temples provides a secure, comfortable fit Soft, rubber nosepiece provides all day comfort Polycarbonate lens provides impact resistance Magnification 2.5-diopter is molded into lens