Dock 32L Tactical Outdoor Sport Military Rucksacks Backpack Camping Hiking Trekking Bag ACU Camo 32L, 900D Military nylon Pouches are all with zipper closure, easy to open and close. The back of the pouch is padded which is comfortable and there is a Hydration system drink tube exit hole on top of the backpack. The inside of the pouches are made by waterproof material, wearable and durable. The shoulder straps are padded and can be adjustable with loops.