3M BX Reader Protective Eyewear features built-in magnifying diopters on the lower lenses to provides eye safety to workers who have difficulty reading small print or seeing small detail work. This protective eyewear comes with an adjustable temple length, lens angle, and nose bridge to allow a more comfortable fit. The ability to customize the safety glasses to the wearer makes them more pleasant to use over extended time periods. The nose bridge has also been cushioned for softness and comfort. The sleek, contoured design offers both an attractive appearance and functional eye protection. The impact-resistant polycarbonate lenses absorb 99.9% UV rays. Meets requirements of CSA Z94.3-2007 and ANSI Z87.1-2010.