On Cloudboom Echo 3 Carbon Fiber Plate Racing Shoes EU 43 US 。A fusion of cloudtex and Helion HF Hyper foam for the fastest race day shoe, get ready to outrun your echo. Activities Running, Road running, Competition, Marathon Key features • Weight: 215.0 g • Built with CloudTec® and Helion™ HF hyper foam • Every element is engineered for performance • Rocker-shaped carbon Speedboard® • Impact protection and high energy return • Ultralight and weighs only 188-215g* • Approved by elite-level athletes • Silicone inserts and cushioning where you need it • Thin, breathable, complete with one-piece upper Just bought few weeks ago, not even tried on, no lowball offers please