Cloud X 4 (Ivory/Heron)Built for the cross training runners out there, the On Cloud X 4 is a versatile workout shoe that you can wear all day, no matter what type of workout is on your calendar. With running shoes gaining more and more stack, the Cloud X 4 finds the ideal balance between well cushioned enough to deliver a comfortable underfoot experience on the run, while still offering the connected to the ground feeling athletes need to take on those HIIT workouts. In the