Revision Batlskin Viper P4 Helmet Black . 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. Specifications for Galvion Batlskin Viper P4 Helmet: Manufacturer: Galvion Condition: New Package Contents: Galvion Batlskin Viper P4 Helmet