Only available in store! When you&';re counting every ounce but you know the value of a truly comfortable pack, the Exos was developed just for you. Reach for the Exos 48 for the perfect mid-size ultralight, with plenty of room to put in the miles, but not so much that you&';re tempted to overpack. Highly experienced backpackers will appreciate industry-leading comfort and ventilation-without the weight it often adds-making it the perfect pack for ultralight multiday adventures. For those who really need a svelte carry, the removable floating lid makes way for an integrated FlapJacket that keeps your minimal gear contained in its stead. Osprey&';s refined AirSpeed(TM) suspension keeps you cool with maximum airflow between you and your pack, so each mile stays as comfortable as the last. Made with 100% recycled materials. Features Top pocket web loop attachment points Removable floating lid with top- and under-lid zippered pockets Integrated FlapJacket cover for lidless use Internal hydration sleeve with center back hose port Front stretch mesh pocket for stashing gear Dual-access stretch mesh side pockets Dual strippable side compression straps Web lash points for attaching overloads Removable sleeping pad straps Dual ice axe loops with bungee tie-off Dual zippered hipbelt pockets to keep essentials handy Stow-on-the-Go trekking pole attachment Sternum strap with integrated safety whistle Specs LOAD RANGE 25 - 30 lbs. S/M VOLUME 2929 IN 3 / 48 L DIMENSIONS 11.81H X 14.17W X 29.53D IN. WEIGHT 2.767 LBS. L/XL VOLUME 3112 IN 3 / 51 L DIMENSIONS 11.81H X 14.17W X 31.5D IN. WEIGHT 2.853 LBS. FABRIC MAIN bluesignA(R) APPROVED recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR LINING bluesignA(R) APPROVED recycled 400D high tenacity nylon, PFC/PFAS-free DWR BOTTOM bluesignA(R) APPROVED recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR