Midnight blue, satin--meets AFI requirements exactly. Fabric was custom designed to match the US Air Force Mess Dress uniform perfectly. Each tie is carefully quality checked against an Air Force Mess Dress jacket before it is shipped to you. One-size. This is a self-tie bow tie which adjusts between 12 and 20 inches. The width of the wing is 2.5 inches measured at the edge. AKA Freestyle or hand-tied bow ties