Large Cargo With Back Protection For Moto The GPX 2.0 XL off-road hydration pack has a 2.0L verticle, waist-located and low-gravity bladder, as well as a 25L cargo capacity and CE certified level 2 back protectorOur signature chest harness and shoulder adjuster system provide a solid non-bump fit without a waist belt, and one size fits all!AirLine back ventilation will keep you cool, and a reflective back panel will help maintain the temperature of the stored liquids.The verticle CleanTech bladder has an inverted port to allow for maximum fluid drainage, and fourway tube routing - over the shoulder or under the arm/left or right.The tough, water-resistant outer shell is equipped with several pockets and compartments, including a waterproof mobile phone pocket.