Cutting-edge CloudTec® Phase midsole technology delivers an incredibly smooth ride CloudTec Phase midsole technology fuses human intuition with computer optimization for active cushioning As soon as your feet meet the ground, CloudTec Phase goes to work—cloud by cloud, the midsole collapses in sequence to deliver a gentle heel-to-toe transition Designed without plastic overlays and built from 30% recycled materials Manufactured using the water-saving dope dye technology