4.5 oz NOMEX® IIIA. Deep-pleated action-back. Side openings with snap closure, two-way safety collar, Mandarin style, two-way concealed NOMEX® taped brass breakaway zipper, two front pockets, two hip pockets, left sleeve tool pocket. Coverall sewn with NOMEX® fiber thread. ATPV 4.6 HRC 1. US Colors: 740 Red.