... :NIJ standard(0101.04/0101.06) IIA,II,IIIA,III,IV optional.2.quality and advanced composite used (kevlar,pe composite ect) to ... levelProtection materialsProtection partProtection areasizecolor(NIJ0101.04/0101.06) IIA II,IIIA,III,IVUHMWPE UD,aramid UDcollar,shoulders,chest,rear ,sides0.36-0 ...