Comfortable: Breathable mesh shoulder straps with plenty of sponge padding to relieve the shoulders and avoid sweat outbreaks. The length of the shoulder straps is adjustable. The chest clip with whistle buckle ensures the perfect distribution of the pack’s weight and a stable and centred  fit. https://www.panwaybags.com/custom-foldable-backpack-waterproof-men-outdoor-travel-trekking-camping-hiking-sports-backpack Reliable: Made from thick, durable and water-resistant material which provides a long service life against everyday activities. The robust 2-way metal zips in the backpack are convenient to use on any side. The service life is further increased by the bars at the most important stress points.   More capacity and accessories: If you think other packable backpacks are too small, you don't need to worry. This backpack (bigger than most other brands) will meet your needs. One main compartment, two zipped front pockets, two side pockets and external attachment points. Spacious pockets keep everything organized and separated, such as a drinking water reservoir, tent, walking poles, hammock, water bottles, laptop and more.         Lightweight and compact: Super light and easy to fold into a small bag (sandwich size). So you can easily fold the backpack into its own pocket for storage and unfold it at the destination. To avoid overweight, simply unfold your checked baggage and use it as hand baggage for your excess baggage. A must for every trip.   If you have any questions about the product, please feel free to contact us. Panway is a bag manufacturer and supplier brand originating from China. Professional and leading  Sports  Bag/Gym Bag/ Tactical Backpack/ Hydration Backpack/ Cooler Bag/Food Delivery Bag/ Laptop Bag/Dry Bag /RPET backpack manufacturer,  supplier and factory in China. We have high quality computer backpacks and all it can be personalized with your logo, name or initials. https://www.panwaybags.com/custom-foldable-backpack-waterproof-men-outdoor-travel-trekking-camping-hiking-sports-backpack We bent over backwards to meet your needs first. We offer you only the best products and services.