9-ounce, 98% cotton / 2% elastane FR stretch canvas 6.5-ounce, 100% cotton french terry FR lining Meets the performance requirements of NFPA 70E and ASTM F1506 UL® classified to NFPA 2112 Built to move with Rugged Flex® stretch technology Spread collar Front snap closure Left-chest secure zippered pocket with sewn on Carhartt FR label Two snap-adjustable cuffs with extended plackets Two lower-front welt pockets NFPA 2112 / CAT 3 label sewn on sleeve placket Center back length (medium, regular length): 31 Center back length (medium, tall length): 33 Imported