When you're bucking hay or swinging a framing hammer you need a jacket that gives you freedom to move. 8.25 ounce 59/39/2 cotton/polyester/spandex Quick Duck canvas 80 gram 3M; Thinsulate insulation for warmth Rain Defender durable water repellent 30% lighter but ounce-for-ounce as durable as sandstone Rugged Flex durable stretch technology for ease of movement Mighty Back Bi-Swing between shoulders for instant recovery Flex Elbow for less restriction Freedom Gussets under arms Mock neck collar with zip-through and detachable hood Two-way center front zipper with inner storm flap Two zippered chest pockets Two lower hand pockets with hidden snap closures Carhartt-strong triple-stitched main seams Carhartt label sewn on chest pocket