Thermoplastic reinforcement strips withstand repeated flexion without cracking.

Tested and proven by On athletes, the Cloudspike XC is On's first cross-country spike for fast middle distances. Built to go off-road, it??s been thoughtfully engineered for mud, water, hills, and sharp turns.

Ultimate Grip - Features a rubber outsole with a strategic heel grip pattern, which works in synergy for optimal grip and traction. Delivering peace of mind on steep downhills and sharp turns.

Energizes every stride - On's lightweight Helion? HF hyper foam midsole converts stored energy into potent propulsion. Helps to push you on.

All Conditions Upper - An ultralight, one-piece, mesh upper delivers breathability and efficient water drainage. And its internal cage-like construction locks down the foot for a supportive, secure fit.

Weight: 187.4 g | 6.6 oz

Biaxial woven tongues maintain breathability while preventing lace bite