This flame-resistant shirt jac is built to help protect you from arcs and flames on the job. It's crafted in flexible canvas for full mobility and has a flame-resistant lining. Welt pockets and a secure chest pocket hold small essentials.9.6-ounce, 98% cotton / 2% elastane FR stretch canvas6.5-ounce, 100% cotton French Terry FR liningMeets the performance requirements of NFPA 70E and ASTM F1506UL® classified to NFPA 2112Spread collarFront snap closureLeft-chest secure zippered pocket with sewn-on Carhartt FR labelTwo lower-front welt pocketsNFPA 2112 / CAT 3 label sewn-on sleeve placketCenter back length (medium, regular length): 31"Center back length (medium, tall length): 33"