Help your body perform under stressful conditions with this black Acerbis H20 Hydrapak. This compact hydration pack has a capacity of 10L and includes a 2L hydro bag. Made of durable hypoallergenic nylon, it is fitted with a hydration hose and has a belt and shoulder straps, making it easy to adjust to your body. This is pre-shaped to conform to your spine and has numerous pockets with zip closures.