The new GEL-Kayano® 23 shoe features our Dynamic DuoMax™ Support System, set at an angle to support and engage the foot only when required. With improved fit, the new shape not only holds your heel better, it holds the entire foot better while providing superior toe spring. Ultra-responsive FlyteFoam™ Technology makes the new lighter-weight innovation in the GEL-Kayano® family our greatest adaption yet. RUN LONG. RUN LIGHT. RUN.