This jacket was made by Ralph Lauren, inspired by the WWII USN M-421a summer flight jacket. It is made of lightweight cotton twill, unlined, with a half-belt back, bi-swing shoulders, a bell shaped Talon zip, flapped patch pockets, the left of which has a pen slot, and an internal vertical snapped breast pocket.
Chest (pit to pit): 25-1/2″ (doubled = 51″)
Shoulder to shoulder: 20″
Sleeve (shoulder to cuff): 24-3/4″
Length (base of collar to hem): 26″