Hydration, fuel, and flexibility for multi-terrain endeavors. The Octane™ 25 max's out accessible storage and hydration with a 2-liter Crux™ reservoir with Quicklink™. Highly organized compartments for snacks, gear, and more - including a secure spot for trekking poles. Designed with a dual adjustable sternum strap for stability, plus strategic 3D mesh venting and a breathable hip belt for a customized fit and optimal air flow while you move. Quick Stow™ compatible.