The Bäck pack has daisy chain on its front panel, for easy overpacking and hanging individual pieces of gear. Thanks to its adjustable back panel it suits many body sizes. A reliable choice for both hiking and urban everyday use. - Large main compartment with zipper closure - Small outer pocket with key clip - Two side pockets, with zigzag compression - Holders for hiking poles and ice axe - Compatible with separately available hydration bag - Main material: 200 denier ripstop polyamide, made of recycled fiber - Reinforcement fabric: 400 denier polyamide, made of recycled fiber - Both fabrics are bluesign certified This is a PFC-free product.