The NFPA-compliant Innerzone 2 goggles feature the patented Snap-On/Snap-Off, strap and mounting system, which allows the goggles to be stowed on the front or rear of helmet, or be quickly removed. Patented ESS Speed-Clip strap system makes strap adjustment quick and easy. Includes goggle mounting kit and instruction. Great for replacement of existing goggles, or new addition.