For Wildland Firefighting, Rescue, and EMS applications. The Striketeam™ XTO™ offers an uncompromised level of safety and performance, without sacrificing comfort, optical clarity, or impact protection. Fits all brands of Wildland Helmets as well as all styles of Modern & Traditional Helmets! All Striketeam™ goggles are Federal OSHA and ANSI compliant, and lenses exceed the U.S. Military's MIL-V-43511C ballistic impact requirements. This line is non-NFPA compliant.