Elvex SG51G Sphere X Ultimate wrap style safety glasses are one of the boldest safety glasses to hit the market. All lenses provide 99% UV projection. Temples adjust to four different lengths. Dual lens construction allows best possible peripheral vision. Universal non-slip nose bridge provides secure fit. standard. Updated style replaces SG32G. Complies with ANSI Z87.1-2010(+) and CE EN-166 standard.