When you need a lightweight yet spacious trail running pack to get you through the most grueling runs, look no farther than the Dynafit Ultra 15. Anatomically designed shoulder straps, an adjustable waist belt, and a compressible pocket allow this pack to adapt to your body to evenly distribute the 15 liter volume. Dynafit's time proven buckle system allows you to take the pack on and off quickly and easily. They've also included all the features necessary for a long distance pack. Zip Pockets, pole fixation, hydration system, reflective pocket, and soft flask pockets give you the ability to comfortably carry everything you need for hours on the trails. If you're looking to run an ultra this summer, look no farther than the Dynafit Ultra 15.