Arc'teryx Aerios 35 Walking backpack (35 l - Regular, black) - Expandable walking backpack made from durable materialA lightweight backpack with a versatile, adjustable carrying system for the perfect fit. The Aerios 35 form Arc’teryx is a compact walking backpack that leaves nothing to be desired in terms of durability and flexibility. It is made from extremely hard-wearing Hadron LPC and is characterised by its clever adjustment options. Plus, it can be easily enlarged, thanks to its roll-top opening. Ideal for day trips or minimalist multi-day tours.The shoulder straps are padded and breathable. Plus, the sternum strap is easy to adjust, while the hip belt is also detachable. Two side compartments, a lid compartment and a clearly organised inner compartment offer plenty of storage space for everything you might need on a day trip. In addition, there is also space in the shoulder straps for two 500 ml soft flasks or electronic devices.