The Ultra Pro Vest by Camelback is an ideal hydration pack for trails and long-distance runs. Made with ultra-lightweight materials and offering great breathability, it is designed for runners seeking to balance performance and comfort. Its 9 storage pockets allow you to carry and organize your personal items, as well as gels and energy bars. The back of the vest features several expandable pockets for storing clothes and an additional water reservoir. Reflective strips are positioned at the front and back of the pack to keep you visible during night runs. To keep you hydrated, 2 Quick Stow™ flexible flasks with a capacity of one liter each are also provided. Whether for the UTMB, the Côte d'Opale trail, or the SaintéLyon, the Ultra Pro Vest is a great ally to train and help you achieve excellent performance. 3D Mesh back system, Compatible with Quick Stow hydration system, Comes with two Quick Stow soft flasks (flask volume: 1 l), Water reservoir compartment, Mesh back for breathability, Included whistle, Zip pocket for phone, Reflective strips at the front and back, 9 exterior pockets, Adjustable chest strap for better stability, Dimensions: 35 x 24 x 12.5 cm, Capacity: 3.5 l, Empty weight: 180 g. Camelbak - Ultra Pro Vest - Hydratation pack