Features: NFPA 2112 UL Certified, ASTM F1506 Electric Arc Protection, NFPA 70E Hazard/Risk Cat HRC2, Max Comfort™ 6.5 oz. 88% cotton/12% nylon FR sateen fabric, Sewn with Nomex® Flame Resistant thread, Two needle top stitching on major seams, Adjustable cuffs with 2 buttons at bottom of sleeves, Extended back tail to stay tucked in, One pleat at bottom of sleeves, Button down lined collar maintains shape for better look, 2 chest pockets, Left pocket with pen tunnel, 1/16? top stitch cuff edges.