DetailsThe Epic XT hydration backpack is the solution to anything adventure. This lightweight, energy-conserving, large-scale hip-leveraged pack is compatible with long or multi-day self supported endeavors. Built with an extremely durable fabric, the Epic XT can be used in a variety of ways. This pack features a 2-type fiber system that helps to disperse moisture during those long hot adventures. The Epic XT comes with a removable frame. This frame, when inside the pack, increases load carrying capacity or can be removed for less taxing endeavors. It features many quick stash pockets, and a new MaxO2 sternum buckle system to keep the Epic XT secure during difficult upper body movements. One size fits most.