With the Nathan TrailMix 2.0 12L hydration pack you have the option of using soft flasks in the harness pouches or a water bladder in the rear | Credit: Pat Kinsella Sadly, this model doesn’t ...

which can very quickly and easily be moved up and down to achieve the optimum fit – something that is especially important on a unisex hydration pack. On the front of the harness, around chest ...