UDD DX Articulated Down Jacket in CementWe love when a collaboration actually produces something new and novel. District Vision teamed up with the Japanese down wizards at Nanga to create this puffercomplete with a wild articulated construction, high collar and custom corozo DV logo buttons. We'll let District Vision speak directly about the production process: "To process the raw down, we chose to draw extremely soft water with a hardness level of 3 from a pure source in Mt. Odaigahara.