CSA Z94.3 and ANSI-Z87.1 approved Wrap around lens design offers a panoramic unobstructed view Lightweight, rimless, with self-adjusting rubber nosepiece and adjustable temple length for added comfort Five different polycarbonate lenses to choose from but all are anti-scratch. Complies with ANSI, CSA. 6" D x 6" W x 1.75" H