Snaps easily into your HellStorm Special Operations Tactical Goggles! Shatterproof polycarbonate construction. Meets world-wide safety standards with ANSI rating: ANSI Z80.3, AS1067, EN1836. Dual-Pane thermal configuration for maximum anti-fog protection. Shatterproof polycarbonate outer lens. Anti-fog impregnated acetate inner lens. 99.9% UVA, UVB and Infra-Red protection. Smoke, amber, yellow, or clear lenses available.