Hayabusa offers the newest bag to haul all your MMA gear with the Hayabusa Convertible Backpack and Duffle Bag, which easily converts from a backpack to a dufflebag and back again to suit your needs with red accents on black and grey with a Hayabusa logo on the front.
Hayabusa Convertible Backpack/Duffle Bag [CarnalDammage]