On Running Cloud X 4 Fog Black

The On Running Cloud X 4 Fog Black is built for versatile movement, combining lightweight performance technology with a sleek everyday training aesthetic. The upper features a breathable engineered mesh construction in muted Fog grey tones, contrasted by deep black accents that give the shoe a sharp and modern look. Reinforced side panels and a secure lacing system provide added stability during workouts, while the streamlined silhouette keeps the design agile and responsive. Underfoot, On’s signature CloudTec cushioning works alongside a responsive Speedboard plate to deliver soft landings and energized transitions, making the pair suitable for gym sessions, short runs, and daily wear alike. The updated sole geometry improves flexibility and ground feel, while the clean color blocking and technical detailing maintain the futuristic identity that defines the Cloud X series.