Deuter's ACT Lite 6510 Backpack expands just in case you want to bring more fun toys on your weekend adventures. Its AirContact suspension system uses breathable padding at the back panel, waist belt, and shoulder straps for a comfy hike up to the campsite. This system also includes stabilizer straps, a supportive X frame, Vari Quick easy adjustments, and Deuter's fully mobile Vari Flex system. Inside this traditional top loader, Deuter inserted a hydration compatible sleeve, a bottom compartment for sleeping bags, and an extra compartment for dirty clothes. There are also stretch front and side pockets for water bottles and layers. Other pockets include one internal for valuables, one top for maps, and one waist belt for energy gels. This backpack also features compression straps, load adjustments, and loops for your helmet, ice axes, and trekking poles.