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 repellent30% lighter but ounce-for-ounce as durable as sandstoneRugged Flex ®durable stretch technology for ease of movementMighty Back ®Bi-Swing between shoulders for instant recoveryFlex Elbow, for less restrictionFreedom Gussets under arms Mock neck collar with zip-through and detachable hoodTwo-way center front zipper with inner storm flap Two zippered chest pocketsTwo lower hand pockets with hidden snap closuresCarhartt-strong, triple-stitched main seams Carhartt label sewn on chest pocket**