On Running Cloudspark Flame | Black。On Men\'s Cloudspark running shoes . Product Specifications * Model Code: 3ME10390879 * Sizing: US Men\'s 8 / UK 8 / EU 41 / CM 26 * Width: M (Standard/Medium) * Color / Style: Cloudspark Performance * Key Features * Propulsion & Cushioning: Combines a flexible Speedboard® with signature dual-density CloudTec® cushioning to maximize air time and absorb impact. * Materials: Engineered with a highly breathable, lightweight woven mesh upper made from 100% recycled polyester. * Designed For: Performance road running, everyday training, and treadmill sessions over long distances.