On Running Cloud X 4 'Black Eclipse' (2024)The On Running Cloud X 4 'Black Eclipse' (2024) represents the latest evolution of Ons versatile training franchise, engineered for athletes who demand stability, agility, and all day comfort from a single silhouette. Designed in Switzerland and refined through athlete feedback, the Cloud X 4 builds on the brands reputation for lightweight performance footwear. The 'Black Eclipse' colourway delivers a sleek, understated finish, pairing deep black
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