The Camelbak Octane 25, 70oz. Hydration Backpack maxes out accessible storage and hydration with a 2-liter Crux reservoir with Quicklink. Highly organized, ventilated, and designed for a customized fit. Quick Stow compatible. 3D vent mesh offers lightweight comfort and air-flow Dual adjustable sternum straps offers a range of adjustments for a custom fit Fuel and Gear Storage: Multiple stow options, easily accessible Essentials pockets keep your small items organized Stretch overflow pocket to stash or shed an extra layer Secure phone pocket keeps essentials safe and easy to access Ventilated hip-belt transfers weight to hips and offers additional storage Trekking pole attachment to easily attach and remove poles when needed Quick stow to carry a soft flask or extra hydration Tube trap management keeps the tube secure and accessible when needed Integrated high visibility rain cover shields the gear from the elements Reflectivity for low light safety Lifetime manufacturer warranty against defects in materials or workmanship