ON Running Women's Cloudsurfer - Fountain/Azure women’s size 7.5 - sold out color- Overall in excellent condition, some wear and small spots of discoloration- see all photos, feel free to ask questions Double layers of EVA foam work with the CloudTec® technology for super-soft landings followed by a powerful take-off. Enhanced by the explosive Speedboard™, Rebound-Rubber Clouds under the forefoot give the Cloudsurfer its unique responsive ride. Materials: The mesh upper of the Cloudsurfer varies in density depending on the position of the foot. This provides the perfect balance of breathability and hold. Compactly woven sections support the forefoot as you transition into the push off phase, so you stay comfortable at high speeds. Design: The original Cloudsurfer brought running on clouds to the world. Now, the fourth iteration evolves that revolutionary feeling. It's the comfort of a training shoe with the speed of a racing flat. Key to this sensation is the Speedboard™. Just as surfboard shapers craft their boards, it's designed for the the perfect ride, flexing to fire you forward.