FR 88% Cotton, 12% Nylon Coveralls w/ Eviz Reflective Trim (ANSI 107, Class 3, Type R), Front Zipper Closure, Two Chest Pockets, Two Front Side Pockets, Two Pass Through Pockets, and Two Back Pockets. NFPA 2112 Certified by UL, CAT 2, ASTM F1506 and NFPA 70E Compliant.