Hydration Pack,20L Hydration Backpack, Hiking Internal Frame, Light Green Hydration Pack ?Ergonomically?:The carrying system of the water bag backpack is composed of breathable mesh and steel ring, which is very breathable and can adjust the force distribution according to your body curve to increase the comfort of use. The shoulder strap of this mountaineering backpack is S-shaped, with three-layer thickened anti-shock and anti-slip design, providing you with a comfortable shopping experience. ?Large Capacity Water Bladder?: Hiking backpack with 2L water bladder, the water bladder is made of high quality material, Hydration Pack which can meet your hydration needs throughout the day. The large pull-out opening on the top of the water bladder is easy to add ice and clean. The water bag compartment has Velcro hooks, which can fix the water bag without shaking, and can support up to 3 liters. ?Multiple Storage Options?: The backpack with rain cover comes with compartments of different sizes and functions, 20L large capacity ensures you can carry what you need for travel. 5 zippered compartments can store your clothes, iPad, wallet, snacks and more. 2 mesh pockets on the sides are perfect for umbrellas and water bottles. One mobile phone pocket on the shoulder strap can hold a 6.7-inch mobile phone, credit cards, and keys. ?Multifunctional And Multipurpose?: Our internal frame backpack is the perfect choice for cycling, hiking, camping, hunting, climbing, running, hiking, skiing, fishing, music carnival, commuting. The hiking bike backpack has 2 reflective strips and 1 reflective tape, and the bottom pocket has hidden helmet mesh, which can fix the bicycle helmet and protect your riding in all directions. This versatile backpack has all the gear you need on the go. ?Satisfactory After-Sales Service?IX INOXTO Hiking Hydration Backpack is a good gift for family and friends who like outdoor sports. If you have any questions, please contact us, we will reply within 24 hours.