NWT Lululemon All Sport Backpack 28L Black/Black/Graphite Gray. Designed for Hiking Measurements Dimensions: 27cm x 19cm x 53.5cm (10.6" x 7.5" x 21.1") Volume: 28L Product Features • Sternum straps, waist belt, and back panel provide lumbar support and distribute weight evenly • Compression straps and load lifters allow for a custom fit • Discreet pockets on the harness hold small essentials and features a built in-whistle • Exterior loops hold a hiking pole (pole not included) • Exterior zippered pockets and side water bottle pockets • Hidden snap pocket holds stowable hood • Top loading access to large main compartment • Interior water reservoir pocket and tunnel through the harness for your drinking tube (water reservoir not included) • Reflective details