9-ounce 98% cotton/2% elastane (spandex) stretch canvas - Meets the performance requirements of NFPA 70E and ASTM F1506 - UL classified to NFPA 2112 - Rugged Flex: Built to stretch and flex with you as you move - Relaxed fit - Flame-resistant (FR) stretch quilted lining and blanket lining for comfortable layering - Pleated bi-swing back increases mobility - Snap-adjustable drop tail hem at back for maximum coverage and custom fit - Snap-adjustable cuffs - Left-chest pocket with zipper closure - Two lower front pockets with kissing welt - Triple-stitched main seams - High point shoulder (HPS) 27" - Carhartt flame-resistant (FR) and NFPA 2112 / CAT - TBD labels sewn onto wearer's left side seam