ON Cloud X Training Shoe Size 7M, BLACK/ ASPHALT Agile, stable and explosive, this versatile training shoe goes from sprints to circuits to all-sport workouts without holding you back or weighing you down. It sits on a fusion of cushioning technologies that ground you in responsive comfort whether you're moving from side to side or striding from heel to toe, with a no-sew upper keeping the fit distraction-free in the gym or on the road.