Lightweight, rimless design made with bayonet temples with end tips which curve out for ease of placement on your face which make for a very comfortable fit CSA Z94.3 and ANSI-Z87.1 approved Includes a non-slip rubber nose pad that provide a secure fit Four different polycarbonate lenses to choose from all are anti-scratch and three are anti-fog. Complies with ANSI, CSA. 6.375" D x 5.625" W x 1.75" H