Eye Safety Systems 740-0264 Innerzone One Goggles, Black The NFPA-compliant Innerzone 1 features a unique semi-permanent two-piece strap and mounting bracket system that functions well with all major brands of structural fire helmets, with no drilling required. Thumb screws secure goggle straps to the helmet. Patented ESS Speed-Clip strap system makes strap adjus ent quick and easy. Goggles can be stowed on the front or rear of helmet. Recommended for use without face shields. Eye Safety Systems 740-0264 Innerzone One Goggles, Black Features: NFPA Compliant Speed-Clip Straps ClearZone FlowCoat Lens Coatings Interchangeable Lenses ANSI Z87.1 Compliant 2-Piece Strap System Semi-Permanent Brackets Fits Over Glasses 2.6mm Lenses