7-ounce, 88% cotton 12% nylon FR twill   Meets the performance requirements of NFPA 70E/ASTM F1506   UL classified to NFPA 2112   Two-way front zipper with storm flap and high temperature-resistant FR zipper tape   Two secure chest pockets with flaps and hook & loop closure   Comfort flex waistband for increased comfort   Back yoke with pleats for ease of movement   Multiple utility pockets for added storage   Adjustable sleeve cuff with snap closure   Ankle-to-knee leg opening with snap closure fits over boots   Two side-entry pass-through pockets with snap closures   Carhartt FR and NFPA 2112/CAT 2 labels sewn on left-chest pocket   Two chest flap pockets   Imported