Are your looking for a 3-day assault pack, bug-out bag, range bag, hunting backpack, survival backpack, army backpack or trekking backpack? This is a great place to start, from not only a price perspective, but a quality and purpose one as well. With the hydration compatible that works great for 2.5L hydration bladder, this tactical backpack can also be used as a hydration backpack for outdoor, camping, hunting or hiking. This pack is durable and comfortable to use due to its double-stitches, high density fabric material, heavy duty zippers and the ventilated mesh padding in the back area and shoulder straps. There are also some additional features including the two pockets on the wide waist straps for phone storage and safety reflectors on the shoulder straps. Gelindo tactical backpack also offers external compression straps for you to expand or compress to your load needs, adjustable shoulder straps, a centered sternum strap to ensure stability, and water resistant construction to keep your gear dry and secure in any climate. There is a y-strap on the backpack that covers the top of all three compartment layers, prevent items from falling out, and also providing additional structural support when the bag is over-stuffed.