On Cloudboom Women's White/Black Reach the finish line faster with On Cloudboom running shoes. A carbon-fiber Speedboard™ in the midsole guides explosive lift-offs and blazing speeds on the road. Keep your cool when you push the pace in the single-layer mesh upper. Stay comfortable at high speeds from the twin layer of CloudTec® and Helion super foam sitting above and below the carbon plate. Ultralight yet powerful, the On Cloudboom is the perfect shoe for turning up the tempo. Who's it for? Competitive runners looking for a fast shoe to wear during road races from 10Ks to marathons. Any runner who's heard the hype about carbon-plated running shoes and wants to try the latest trend. Shoe Technology Upper: Engineered single-layer mesh upper keeps you cool while reducing weight to unleash your speed. Reinforced sections at the forefoot increase stability to handle sharp turns. Midsole: Carbon-fiber infused Speedboard™ for explosive push-offs and blazing speed. Twin layer of CloudTec® in Helion superfoam above and below the plate for a unique and adaptive underfoot experience. Outsole: New traction pattern outsole delivers secure footing, even in wet conditions.