Original WWII British Army Leather Jerkin, Size 3 (Large). Original WWII British Army Leather Jerkin, with length extension. Size 3 (Large), about a 44" chest (actual measurement 49"). Leather is supple, with natural color variation throughout; very clean. There is significant wear to the second buttonhole from bottom (see photo) that does not affect function or appearance of the jerkin. Please be aware that certain materials age better than others; over time, elastics lose their stretchiness, foam rubber may become brittle, cotton becomes more fragile, leather can become stiff and ...