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