Backpack by Matt Nat, Hands-free style, Grab handle, Adjustable straps, External pocket, Flap top, Drawstring fastening, Inner zipped pocket. Since launching in 1995, eco-friendly brand Matt Nat has mastered the art of ethical bag making. Considering the welfare of the planet throughout manufacturing, the Mat(terial) Nat(ure) range experiments with recycled materials across backpacks, holdalls and wallets.