http://www.ebay.com/itm/271915164703
This vintage jacket is an an N-1 deck jacket, manufactured for the US navy. It is the light shade of olive drab, which has been further faded through usage. It has an alpaca pile rounded collar and lining. The collar had a extension throat latch / chin strap. The main zipper is an early two-way tooth large gauge Crown, with riveted top stops. It has handwarmer pockets, internal storm cuffs, a drawstring waist, and a buttoned placket over the zip.

Chest (pit to pit): 25″ (doubled = 50″)
Shoulder to shoulder: 19-1/2″
Sleeve (shoulder to cuff): 25″
Length (base of collar to hem): 27″