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      Lower hand pockets with hidden snap closures      Carhartt-strong, triple-stitched main seams     Carhartt label sewn on chest pocket  Loose fit