A large compartment with an extra, elastic mesh helmet storage pocket, as well as two side pockets, can carry your water bottles or other items that you might need quick access to. This internal frame backpack is hydration compatible with an integrated cooling liner in the hydration reservoir pocket. Make your adventure safer by carrying your GPS in the convenient, detachable GPS pocket found on the shoulder strap. There is also a hide-away rain cover and dual ice axe loops. ROKK Wind River Large Top Load Internal Framepack: * Padded, contoured adjustable shoulder straps include load lifters and sternum strap with integrate whistle buckle * Fully adjustable, padded waist belt with anti-sway straps provide carrying comfort * Easy access MP3 pocket with waterproof zipper * Large main compartment includes organizer for hiking gear, plus additional elastic mesh helmet storage pocket provides convenient storage * 2 side pockets hold water bottles or other quick access items * Padded, adjustable back panel with lumbar support and increased air ventilation make heavy loads easy on your back * Hydration compatible with integrated cooling liner in hydration reservoir pocket (reservoir not included) * Additional conveniences include a detachable GPS pocket on the shoulder strap * Hide-away bottom mesh pocket * Dual ice axe loops * Hide-away rain cover