Field Khaki 9 oz ToughMax™ DuraStretch™ canvas. Stretch sherpa lining. ToughMax™ flexible stretch canvas provides the ultimate in comfort & 2X more durability. DuraStretch™ elastic fibers woven into fabric for maximum flex. Greater Arm Mobility seam construction for maximum range of motion. Triple needle stitched seams proides an extra level of durability and stand up to the toughest jobs. Stain repellent finish provides protection against stains, dirt and other marks. Water repellent & wind resistant. Abrasion resistant. Ribbed cuffs & hem. Zip chest & hand pockets. Interior chest pocket. 68% cotton, 30% polyester, 2% spandex.