Bolle Nitro Safety Goggles feature an ultra-low profile design that fits under hard hats and helmets. Anti-Scratch and Anti-Fog Lens. High contour lens with 180º distortion-free viewing and superior optical quality. High impact 3.0 mm polycarbonate lens. Optimal fit and comfort with PVC frame. Indirect ventilation. Latex-free adjustable pivoting strap. The Bolle Nitro meets or exceeds ANSI Z87.1-2015 requirements and provides 99.9% protection for harmful UVA/UVB light.