Embroidery Japan Jacket high class 1 tokyo hoodie.Double sided wear Sukajan (the Japanese term used for Souvenir Jacket, also known as Japanese Bomber Jacket) is a clothing type that has successfully become an integral part of popular culture. These sukajan souvenir jackets are known for featuring a characteristic embroidered style. Right now, these yokosuka jackets enjoy immense popularity both as streetwear and high fashion outfits.