The running vest that started it all, Ultimate Directions Ultra Vest 5.0 continues to set the benchmark. Perfectly suited to the demands of long-distance running, it delivers a customisable fit thats second to none.Featuring UDs Comfort Cinch 2.0 system, it adjusts over the small of the back instead of the sides for optimal comfort. Now with thinner, smaller components and improved articulation, its lighter, streamlined and more adjustable for a precise fit than can be amended on-the-go.Whether its a spare layer, nutrition, trekking poles or water, numerous storage options help hone your kit organisation, including a weather-resistant pocket on the shoulder strap and hydration bladder compatible main compartment. elevating the hydration vest further, the Ultra Vest 5.0 includes two new Body Bottle II 500s; featuring UDs proprietary polyethylene Peeva laminate on the inside, it gives clean-tasting water in a lighter-weight design.