The On Running Cloudspark in Glacier/Fog is a running shoe designed for a propulsive feel, encouraging less ground contact and more air time. This model was notably designed starting with a women's prototype, informed by data from 1.2 million feet.

• Colorway: Glacier/Fog
• Features a dual-density sole with a flexible nylon-blend Speedboard® for enhanced energy return and propulsion.
• Upper is constructed from a light and breathable mesh that molds to the foot.
• Includes reflective details.
• Encourages a running style with shorter ground contact and increased air time.