Based on the ACH Advanced Combat Helmet design with higher neck cutout for improved movement and peripheral vision. Certified testing to NIJ Level IIIA and V50 frag protection. Compatible with NOD and communications systems. Features RBR’s Comfort-Plus h, Features: Tested by certified NIJ Testing Lab Standards withstanding multiple NIJ IIIA Ballistics Compatible with all NOD and communications systems Standard 4-point fully adjustable suspension system