The Kinvara 15 is a true speed demon that is best suited for competitions up to half marathon distance and during tempo and interval training. The competition shoe for running a fast half marathon! Midsole The PWRRUN cushioning material provides good cushioning and energy return and a super comfortable feeling under the foot. Upper The upper of the Kinvara 15 is made with FORMFIT technology, which allows the upper to work together with the footbed and the walls of the midsole. In this way, the foot sinks into the running shoe, which gives a good lockdown feeling and the necessary stability. The Engineered Mesh upper offers support in strategic places around the midfoot and has a high breathability in the forefoot. In addition, you wear the Kinvara 15 extra comfortably thanks to the PWRRUN+ insole. The insole provides an extra layer of cushioning. Outsole The shoe has a rubberized EVA outsole and this type of sole is extra light and gives more flexibility compared to a full rubber outsole.