The Osprey Xenith 88L is perfect for backpacking with heavy loads for up to a week or more. The Xenith's legendary load-carrying ability keeps you comfortable throughout the journey, and interchangeable hip belt and harness sizes plus custom molding allow anyone to dial in the perfect fit for them. Trail-focused features like hydration compatibility and Stow-on-the-Go??? trekking pole attachment ease your journey, every step of the way. Backed by our All Mighty Guarantee, forever. . . . Floating, removable top lid with top-and under-lid zippered pockets converts to a DAYLID??? daypack for side trips from camp or bagging peaks. . Integrated FlapJacket??? protects gear when top lid is removed. . Stow-on-the-Go??? trekking pole attachment allows you to stow your poles in steep terrain or whenever you need your hands free. . External hydration reservoir sleeve is easy to access when the pack is fully loaded and accommodates up to a 3L reservoir. . Dual side zips provide easy access to gear stored in the main compartment without removing the top lid. . Two zippered front pockets provide additional storage and organization options. . Zippered hipbelt pockets keep snacks and smaller items close at hand. . Front hybrid nylon/stretch mesh pocket stores rain gear for easy access when skies darken, or wet gear after the downpour stops. . Dual access stretch mesh side pockets store water bottles and more. . Dual side compression straps stabilize loads and maintain a slim pack profile when not fully packed. . Dual ice tool attachment points. . Zippered, wide-mouth sleeping bag compartment with removable divider. . Removable sleeping pad straps. . Sternum strap with integrated safety whistle. .