Here are Calculated Survival's hydration backpacks. They come in 3 colors: Black, Brown, and Multicam/Camo. These backpacks are 20 by 9 inches and 3 inches in depth making them the perfect addition on your next hiking or camping adventure. They are big enough to fit your essentials for 1 day while also being small enough to not be a bulky nuisance. They also come with a 3 liter bladder attached to a tube and drinking mouthpiece for easy and accessible hydration all day long. This hydration pack will become your new favorite hiking accessory and be sure to pair it with our small basic survival pack for if you ever find yourself in a bad situation while out exploring in the wilderness.
