This A-2 deck jacket was adopted as the successor model to the U.S. Navy's deck work jacket N-1. Compared to the previous model N-1, there are changes in its color and the materials used.The outer material has been changed from cotton grosgrain to back satin, and the lining has been changed from alpaca wool to nylon boa, and productivity and cost have been reviewed. The results were as follows. As for the specifications, basic details such as the fly-style front that opens and closes with a button and zipper, and the built-in ribbing on the cuffs of the N-1 are inherited from the N-1, but the collar has been changed, a chest pocket, and an adjuster at the hem have been added. ing. The Deck A-2 combines a simple design with the bare minimum functionality, making it a utility jacket typical of the US Navy.