Make Waves. Adding a new, computer-optimized technology to the Cloud Tec® family has opened the door to a new dimension of soft cushioning. Enter the Cloudsurfer with the cutting-edge Cloud Tec® Phase midsole technology delivering an incredibly smooth ride. Expect landing like you never have before. Also expect an emphasis on sustainability with an optimized recycled content and the water-saving dope dye technology. Computer-optimized midsole: To unlock the optimal cushioning sensation, we left nothing up to chance. Our new Cloud Tec® Phase midsole technology has been created fusing human intuition with computer optimization for active cushioning. The smoothest ride yet: As soon as your foot meets the ground, Cloud Tec® Phase goes to work. Cloud by cloud, the midsole collapses in sequence to deliver a gentle heel to toe transition-a ride like you've never felt before. Sustainability levelled up: Designed without plastic overlays. Built from 30% recycled materials. Colour: black