Stability. Versatility. Maneuverability. The Cloud X is Swiss Engineered to crush any and every movement-based workout. Refined to the specifications of multi- functional athletes, it punches well above its ultralight weight. Cutting edge technological innovations and a Helion™ superfoam injection means the second- generation Cloud X improves on all the strengths of its predecessor, and is even more durable. This powerhouse never backs down from a challenge, and is at home on the track, street or in the gym.