Great for multi-day hiking and camping trips and anyone who wants to move fast with minimal weight, the versatile Outdoor Products Skyline internal frame backpack has a 28.9-liter capacity with a large main compartment with top and vertical entry. Its constructed with durable polyester/ripstop fabric and includes a single removable internal aluminum stay for rugged outings. Carrying like a more expensive technical bag, the affordable Skyline also features zippered waist pockets on the hip belt and two oversized stretchy side pockets that fit most water bottles. It also includes dual daisy chains to attach extra gear, plus trekking pole attachment and ice axe attachment. Designed with your comfort in mind, the Skyline features padded shoulder straps, an adjustable sternum strap, padded hip belt for supporting heavy loads, four side compression straps to balance load, and a cool mesh padded back that promotes airflow no matter what kind of sweat you work up. Youll be able to quench your thirst wherever you roam with a hydration bladder pocket featuring a tubing port for easy access to H2O (hydration reservoir sold separately; fits up to 2-liter bladder).