Light and compact glasses, integral polycarbonate lens, very enveloping, with a curvature of 10 DPT. It adapts to the facial contour, protecting frontally and laterally from the intrusion of objects and particles. Weight 26 grams. 2.4 mm thick polycarbonate eyepiece. Polyamide temples. 89% light transmission. EN 166 1F, EN 170.