ON Cloud X3 — Third Generation. Zero Compromise. The ON Cloud X3 is the most advanced iteration of ON Running's iconic cross-training silhouette. Engineered for athletes who demand more — more cushioning, more stability, more versatility — the Cloud X3 features a completely redesigned CloudTec® Phase™ sole and an upgraded Helion™ Superfoam midsole that adapts to every movement. From heavy lifts to sprint intervals, the Cloud X3 is built to perform across every discipline. Key Features CloudTec® Phase™ Sole — Third-generation cloud pods engineered for seamless heel-to-toe transitions and superior multi-directional stability Helion™ Superfoam Midsole — Enhanced foam compound delivers greater energy return and long-lasting cushioning through every training session Engineered Mesh Upper — Precision-knit construction provides targeted support, breathability, and a locked-in fit for dynamic movements Wider Base Platform — Improved lateral stability for weightlifting, HIIT, and agility drills Durable Rubber Outsole — High-traction grip engineered for gym floors, turf, and pavement Specifications Brand: ON Running Model: Cloud X3 Generation: 3rd Generation Cross Trainer Use: Cross Training / Gym / HIIT / Running Available Sizes: EU 36–45 Best For: Weightlifting, HIIT, CrossFit, Daily Runs, Active Lifestyle Every rep. Every set. Every mile.