The Cloudflow packs 18 Cloud elements into its outsole. Enhanced by the explosive Speedboard™, each Cloud independently cushions then fires you forwards. Hit the ground perfectly with Cloud elements positioned precisely where you need them, and all with the lightness of our unique Zero-Gravity EVA foam. Abrasion pads ensure high grip at high speeds.The flexible, engineered mesh upper is woven to blend breathability with support. A comfort inner-sock construction gently wraps the foot. No-sew reinforcement in the forefoot supports the shoe's responsive feel. An antimicrobial treatment ensures freshness run after run.Big on cushioning, low on weight, the Cloudflow is engineered for speed and comfort. And achieving goals. Incredibly light and responsive, it's ideal for both training and racing. No wonder it's worn by more elite athletes than any other On model, claiming more than 60 podium finishes - and counting. High speed meets CloudTec® cushioning for the ultimate running sensation. Ready. Set. Flow.