Dielectric, non-conductive frame. Provides 99.9 percent UVA and UVB protection. Molded nosepiece provides more comfort and reduces slippage. CSA Z94.3 and ANSI-Z87.1 approved. Unique contour of temple arms ensures maximum comfort and a secure fit. Lightweight comfort and protection combined in a rimless design for all day comfort. Scratch-resistant polycarbonate lens. Complies with ANSI, CSA. 2.5" D x 5.75" W x 1.75" H