On Running Cloudboom Strike

The On Cloudboom Strike is a racing shoe specifically designed to deliver peak performance over long distances. It represents On's most aggressive offering for marathon runners seeking speed and efficiency, combining an ultralight construction with advanced propulsion and cushioning technologies.

These shoes are designed for experienced runners with refined technique and fast paces. They are ideal for distances like the half marathon and the full marathon, although they can also be used for 10Ks if the goal is to maximize performance. They are not recommended for daily training due to their aggressive profile and lower overall comfort compared to training models.

The upper is minimalist and highly breathable, made with an engineered technical mesh that offers a sock-like fit. Its structure is firm yet lightweight, with strategic reinforcements for stability in turns and high-wear areas. The tongue is thin and integrated into the upper to eliminate unnecessary movement during running.

The midsole incorporates CloudTec technology in a stiffer, more responsive configuration than other models from the brand, combined with a full carbon plate that provides explosive energy return with every stride. The Helion HF foam compound, derived from Pebax, offers exceptional lightness and energy return, making it noticeably more dynamic than traditional Helion. This combination results in quick transitions and efficient propulsion without compromising stability during the run.

The sole features a segmented design with high-resistance rubber in key traction and wear zones. The pattern enhances grip on both dry and wet asphalt while maintaining the shoe's overall lightness. The sole's geometry also contributes to a smooth stride, especially for runners with a forefoot or midfoot striking technique.

On Running Cloudboom Strike

On Running Cloudboom Strike

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