Features 100% Nylon Seven exterior pockets Description Product Description The Tempo 3 not only offers more space than a standard hydration pack, it adds Wraptor stabilization to keep both water and gear from shifting without using a constricting waist belt. Built for long-distance racing and multi-season training, this running pack carries two liters of water and a liter of supplies in the main compartment, plus trekking poles and accessories in easy-to-reach exterior pockets.