Revision has modernized the traditional advanced combat helmet: The Viper P4 system is up to 24% lighter than the legacy U.S. Army ACH and represents the first significant advancement in ACH technology in 15 years. Revision’s advanced UHMWPE helmets meet stringent quality standards and exceed U.S. military specifications for ballistic threats, blunt impact, and blast fragmentation. Advanced composite shell technology combines elite protection, extended-use comfort, and impressive weight reduction.