Cloudspark 1 W Ice | Grove

Everyday running, road running, propulsion. Features: Dual density sole with nylon blend Speedboard® for energy return you can feel; Upper made from mesh that molds to your foot; Light and breathable; Diverse, data-driven design; Speedboard®: light and flexible nylon-blend for max propulsion; Reflective details; Cloudspark encourages short ground contact and more air time. Materials: Upper Unit: recycled polyester, TPU / Bottom Unit: Outsole: Rubber / Speedboard: Nylon 6 / Technology: CloudTec ®️. Less ground contact. More air time. Why? A propulsive running sensation, ideal for people who run in a seated position. It's an ultra-comfortable, forward-rolling ride with a flexible Speedboard® that delivers an energy return you can feel.. After analyzing data from over 1.2 million foot scans, usually, the design process starts with a men's prototype. But for the Cloudspark, we flipped the switch and started with a women's prototype. From this, we created a shape and fit tailored to the needs of more runners.