The ESS FirePro-1977™ Series includes the most advanced low-profile willdand fire and rescue goggles on the market. The compact frame design prevents helmet interference while increasing peripheral vision. The FirePro-1977™ is certified to meet the NFPA 1977 wildland fire equipment performance requirements, including the 350°F for 5-minute oven test. They are also U.S. Federal OSHA compliant, exceed the requirements of ANSI Z87.1-2010, and are considered Primary Eye Protection by NFPA 1500. KEY FEATURES: . . - All goggle components are heat & flame resistant . . - Full-perimeter ventilation & filtration system minimizes lens fogging & filters airborne particles . . - Anti-microbial OpFoam™ face padding increases comfort & fit . . - Patented Speedclip™ system allows for rapid strap adjustment & optimal helmet compatibility rapid strap tension adjustment . . - Low-profile frame with wide wrap minimizes helmet interference & maximizes peripheral vision . . - Advanced ClearZone™ FlowCoat lens treatments eliminate fog inside & prevent scratches outside . . - ESSOPTICS™ deliver distortion-free optical precision throughout the entire field of view. . - 2.8mm high-impact 100% UVA/UVB polycarbonate lenses . . PROTECTION STANDARDS: . . The FirePro-1977™ Goggle is Compliant With NFPA 1977-2011 Edition, ANSI Z87.1-2010, U.S. Federal OSHA, CE . . KIT INCLUDES: . . Gray FirePro-1977™ Goggle Frame with Clear lens . . Snap-on/Snap-off Strap System