The ESS FirePro-1977 Wildland Goggle series features a low-profile design that prevents helmet interference and increases peripheral vision. The patented Speed-Clip system facilitates quick strap adjustment, even with gloves on. Advanced ClearZone FlowCoat lenses provide an optimal combination of anti-scratch coatings on the outside of the lens and anti-fog coatings on the inside. All goggle components are heat and flame resistant, including the durable OpFoam face padding. The FirePro-1977 FS includes a wrap-around strap that secures to any helmet with Velcro® tabs. The FirePro-1977 FS is certified as compliant with NFPA 1977-2018 Edition, including the 350ºF for 5-minute oven test. Tear-Off Lens Covers are available as accessories. Ballistic Protection Standards Compliant With: NFPA 1977-2018 Edition, ANSI Z87.1-2015, U.S. Federal OSHA, CE, U. Click here for more.