Technology CloudTec Zero-Gravity foam and CloudTec in the outsole provide soft, cushioned landings. Reshaped Cloud elements deliver superior performance and grip, while the molded heel provides a snug, secure fit. The Speedboard transforms energy generated upon landing into forward motion. The signature speed-lacing system lets your foot slip in and out with ease, yet keeps the shoe firmly in place on the move. Materials Breathable mesh The Cloud is famous for its unmatched step-in feel, thanks to the blend of soft-touch fabrics used in the upper. The breathable, antimicrobial mesh provides stay-fresh comfort, while soft, no-sew taped reinforcements across the shoe and toe cap support the perfect fit. Design Never Not On Designed to be the lightest fully cushioned running shoe, the Cloud is a true On icon. Since launching in 2014, it has appeared on Olympic podiums and Parisian catwalks, winning awards and fans all over the world. Stylishly concealing state-of-the-art running tech, the Cloud is the perfect performance shoe for all-day, everyday wear. It's the best-selling On for a reason.