Bullet Proof Helmet,Ballistic Helmet,Military Helmet Aramid Kevlar or PE fiber Protection Level:NIJ IIIA Weight:1.4kg Bullet Proof Helmet,Ballistic Helmet,Military HelmetAramid Kevlar or PE fiberProtection Level:NIJ 0101.04 IIIAWeight:1.4kg Bullet Proof Helmet, Ballistic Helmet, Military Helmet