The hydration pack is incredibly comfortable to wear, the cylinders are mounted very easily accessible, the small pockets on the waist belt for great bars, gels, Schlüssel..etc. As described in the vendor evaluation, the water pouch is not included in the package (but was very accommodating and very fast and friendly done !!). If the bladder is not in Rucki, is prima place for a soft shell jacket (size M). Only convince the bottle itself not just of particular tightness, the brackets are however suitable for many other common bottles.