This is a dress shirt made in the USA by Califashions, issued to the U.S. Air Force. It features a chevron patch (rank insignia) for non-commissioned officers on the arm, and epaulettes on both shoulders, giving it an authentic military feel. ■Color Air Force Blue ■Material 80% Polyester 20% Wool ■Size 16 x 35C (16-inch neck / 35-inch sleeve) Equivalent to a Japanese size L to XL Flat measurements: Shoulder width: 47cm Sleeve length: 65cm Body width: 59cm Length: 78.5cm The front has a button closure and a chest pocket, making it perfect for American casual or vintage styles. It's a roomy size, so it can also be used as an outer layer in the coming season. It's a beautiful item with no signs of wear. Please consider it.