Material: 88% Cotton / 12% N FR 9oz Heavy Duty Twill Fabric, FR Size 5 heavy duty Brass zipper. ANSI 107 compliant Flame Resistant High Visibility Reflective tape. Features: Flex-fit waist to guarantee perfect fit at the waist line, Two front pockets and two back pockets, Loops: 2.5" loops. 7 - 9 count Compliance: NFPA 2112 Compliant NFPA 70E (ASTM 1506), HRC 2 Compliant. ANSI ISEA 107 compliant