They usually recommend two sizes one for a snug fit and one for a roomy fit. The item "Cockpit USA B-10 Flight Jacket Olive USA Made" is in sale since Sunday, August 28, 2016. This item is in the category "Clothing, Shoes & Accessories\Men's Clothing\Coats & Jackets". The seller is "werewolf61" and is located in Oneonta, New York. This item can be shipped worldwide.