On Running Cloudnova X Sneakers Product Details: Updated tread pattern for grip during side-to-side movements X-shaped Speedboard® for greater forefoot flexibility Full-length CloudTec® cushioning for a smoother ride Dual-density Helion™ superfoam for comfort and stability Upper made with soft spacer mesh for maximum breathability Smooth materials provide a plush feel and soft step-in Quick-collapsing Cloud elements in the heel for stability For street-ready style packed with gym-ready tech Size: W11 In fair pre-loved condition