The Skullerz MODI OTG Safety Goggles Replacement Lens is designed to securely attach to Skullerz MODI Safety Goggles. This anti-scratch and anti-fog lens easily installs with the MODI side latch buckle system. Material(s): Polycarbonate, Anti-Fog: Yes; Coated Lenses: Yes; Lens Coating/Filter: Anti-Fog; Scratch-Resistant.