The Stir 28L backpack by Thule is a lightweight backpack that can used for day hikes on the trail or as an every day rucksack for town. This versatile bag allows you to remove sternum strap and hipbelt making it more stream line for those casual outings in the city. On the other hand, it’s easy to re attached the sternum and hipbelt and secure trekking poles to the outside of the bad. The Stir backpack feature a quick access mobile phone pocket on the shoulder strap. -Quickly access a phone and other small items in the stretch pocket on shoulder strap -Easily attach gear to the outside of the pack with removable compression straps -Streamline your carry around town by completely removing sternum strap and hipbelt -Be seen in low light conditions thanks to light loop attachment point and reflective material -Easily store and access small items in the external lid pocket -Stay cool with breathable back panel and shoulder straps -Stay hydrated with the dedicated hydration sleeve with drink tube exit port and two side water bottle pockets (hydration reservoir sold separately) -Easily secure trekking poles or ice axes on loops that stow away when not in use Volume: 28L Dimentions: 29 x 26 x 55 cm Weight: 0.73kg Thule Stir Backpack 28L