Errant Pro Backpack,Errant Pro Backpack X-Pac,The Errant Pro in black VX21 X-PAC. This fabric is made in the US, 100% climate neutral, uses waterproof construction, and provides the most ideal balance of weight and durability. Combined with,The Errant Pro in black VX21 X-PAC. This fabric is made in the US, 100% climate neutral, uses waterproof construction, and provides the most ideal balance of weight and durability. Combined with,Errant Pro | X-Pac - FEVERGUY