Reach your running potential in the On Cloudboom Strike 2! Designed to deliver race-day speed, this neutral running shoe keeps you comfortable and supported during half and full marathons. Stay cool mile after mile in the breathable open-weave upper. The CloudTec Sphere™ cushioning system delivers a smooth and flexible ride. Lightweight yet responsive, the On Cloudboom Strike 2 supports your stamina from start to finish! What's New? CloudTec Sphere™ cushioning system features thin gaps between the forefoot and midfoot. These spaces allow the foam to move more freely, adapting and flexing in multiple directions for a smooth and responsive ride. Who's it for? Neutral runners who want a soft and speedy racing shoe to help them reach the finish line faster. Shoe Technology CloudTec Sphere™ cushioning system engineered for fast runs. Lighter Helion™ HF hyper foam delivers resilient energy return. Carbon Speedboard® provides forward propulsion. Adaptable, breathable open-weave upper keeps you comfortable through every mile. High-grip rubber outsole provides reliable traction. Co-created with athletes for half and full marathons. Removable top midsole provides a soft, responsive ride.