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Minimal ground contact means more time in the air. Why? Because it offers a propulsive running experience, particularly suitable for individuals who run in a seated position. Experience an incredibly comfortable and forward-rolling ride, thanks to a flexible Speedboard that provides noticeable energy return. After analyzing data from over 1.2 million foot scans, On typically begin the design process with a men's prototype. However, for the Cloudspark, On decided to switch things up and start with a women's prototype. This allowed us to create a shape and fit tailored to the needs of a broader range of runners. Utilizing ultralight materials for the heel, tongue, and inner ensures maximum breathability and comfort while maintaining a secure running sensation. The engineered mesh upper, crafted from 100% recycled polyester, conforms to the foot while allowing natural toe movement.
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
Engineered mesh upper made from 100% recycled polyester
Speedboard: light and flexible nylon-blend for max propulsion
Reflective details help keep you visible in low light
Cloudspark encourages short ground contact and more air time
Technical Features
Drop: 8 mm
Cushioning: Max
Road running style Forward rolling
The approximate size of the packed product or the sales package is 305 x 114 x 208 mm.