Propper Nomex&trade; Flight Suit Sewn to military specification YACL-WP PD 99-01 R, Features Nomex, a flame-resistant, non-melting material Fabric is lightweight, will never fade, NIR compliant* (all colors except Black), Felled seams throughout for enhanced durability Six primary pockets with additional accessory pockets, Two-way zipper front with cloth pull, Adjustable hook and loop closure at sleeve cuffs Adjustable waist belt with hook and loop closure, Zippered leg openings, Reinforced shoulders to prevent wear Bi-swing back improves range of motion, Nomex 92% meta aramid / 5% para aramid / 3% conductive fibers