THE UPPER MADE URBAN | CLOUDSWIFT | On-the-road temperatures soar in summer, but the Cloudswift keeps its cool. The engineered-mesh sock lets your feet breathe, mile after comfortable mile. ASPHALT | The city is a tough place to run. So we made the Cloudswift tougher. Impact protection meets durable rubber reinforcement for soft landings and high traction, even on wet roads. HIGH SPEED ON LOCK | Strong yet stretchable, the mechanical side band delivers gentle midfoot support during swift city sprints. It also offers a hidden place to stash your laces. HELION™ YOUR RUN | The Cloudswift is engineered with Helion™ superfoam for cushioning with zero compromises. It's light on weight but big on energy return and durability. In short, everything you need to run the city.