TANKER started in 1983 and is still to this day Porter-Yoshida's most famous series.

The 3Way Briefcase can store A4 size documents, has a handle, removable shoulder strap and can easily be turned into a backpack. There is one main zip compartment with a water-proof pocket for documents and several other smaller compartments.

The bag is made of a 3-layer structured fabric inspired by the US Air Force MA-1 flight jacket. The three layers consists of a nylon twill (surface), polyester cotton (middle) and a nylon taffeta (back).

• Surface: Nylon twill
  
• Middle: Polyester cotton
• Back: Nylon taffeta
• Weather resistant
• One main compartment with zip closure
• Two front snap pockets
• Zipper compartment on the back
• Waterproof A4 document pocket
• Removable and adjustable shoulder strap
• Can be turned into backpack
• W: 42cm. H: 30cm. D: 12,5cm.
• Made in Japan