It uses an original 3-layer structure fabric developed with the motif of the US Air Force flight jacket "MA-1". The 3-layer fabric of nylon twill (surface) + polyester cotton (middle layer) + nylon taffeta (back) is very light, and the soft feel of the bonding material and the vivid rescue orange on the back are attractive. This series is full of the thorough attention of Yoshida&Co. craftsmen in all processes from cutting to sewing and parts. A compact size shoulder bag that is convenient for storing essentials when going out. It is the perfect size for storing essential items such as smartphones and wallets as a sub-bag when going out or traveling. You can also use it as a pouch by removing the shoulder strap, or as a waist bag by using the loop on the back.