Men’s size 10.5 Only used a couple of times The On Cloud X 4 Running Shoe is a training shoe designed for fitness enthusiasts. The new Speedboard® design enhances forefoot flexibility and provides a softer, more cushioned feel underfoot thanks to the Helion™ superfoam midsole. The extra padding in the heel adds comfort, while the midfoot cage and star lacing system ensure stability. The softer and plusher materials in the heel and tongue offer enhanced comfort. The X-shaped Speedboard® is made with a pliable nylon blend, perfect for movements like mountain climbers and burpees. Ideal for workouts, low-load cardio, HIIT, short runs, and 5K runs, the Cloud X 4 is born from running and made for everything.