Fabric with a "density" measurement of 420-denier has many desirable traits, including durability and waterproof-ness. Its also a paradox for most manufacturers since the lack of permeability equal to the inability to dye the fabric.
After several test run, Japan's accessories label Master-Piece (MSPC) might have the solution. With the help from textile manufacturer Komatsu Seiren, MSPC was able to recreate flannel plaid finishes on a pair of messenger bags for its 02DERIV line. Though it looked like ordinary cotton flannel, the construction, in reality, was 420-denier nylon via: a process similar to ink jet printing. Its durable, waterproof characteristic meant there was no need to add an additional vinyl layer. In turn, save weight on the bag.
As part of its Fall 2009 02DERIV Collection, the Master-Piece (MSPC) Ink Jet Print Messenger Bags are available now at all MSPC retail locations across Asia.