Berghaus Unisex 24/7 Backpack 23 Litre Comfortable Fit Durable Design Rucksack for Men and Women, Black, One Size

BREATHE EASY: Thanks to the extra breathable, vented- foam Flowback system, you can save breaking a sweat for the gym or the trail and let your skin breathe. There are even attachment points for walking poles to make your life just a little easier INTERACTIVE DESIGN: A height-adjustable chest strap makes sure you get the right fit and, as the pack is compatible with hydration systems, you can stay refreshed all day long PRACTICAL EXTRAS: This year-round essential is made from durable polyester fabric that stays smart and scuff-free time and time again no matter the weather or wear Flow backsystem for improved comfort