Camelbak 100 oz Four Teener 24 Hydration Pack Backpack | Excellent Condition |. Condition: Pre-owned condition/ please understand the nature of second hand items, there will be light scuffs, scratches and spots, we do our best to point any flaws but we might miss something, therefore inspect all pictures as they are the best description of the condition ✦ 100 oz Water bladder or reservoir not included! ✦ Features & details The brand new Crux Tank with an ergonomic handle for easy refilling gives 20% more of water per difficulty swallowing. An on/off mechanism, which helps to prevent leakage The separate water out, much a piece of cake. The reservoir lays flat on your back Aufo is more space for clothing and equipment Pads Length for the top back part for maximum comfort and is extremely breathable, while the bottom pads for one last transfer make.