USWE MTB Hydro 3 Hydration Pack is a minimalistic and lightweight hydration pack which is our choice for all our high-speed off-road adventures. Whether we're chasing podiums in the local enduro series or going on an epic 200-mile gravel adventure , we know that the No Dancing Monkey 1 harness system. 2 will keep our backpack where we want it and the removable pocket allows us to store everything we need. kit in an accessible location for quick deployment when we need it most.