Product details

• Official colorway: Iceberg/Glacier
• Brand: On Running
• Collection: Cloudultra 3
• Style code: 3MF30234788
• Upper construction: Breathable, durable and abrasion-resistant upper with secure, technical fit
• Technology: CloudTec® cushioning system; dual-density Helion™ HF hyper foam; Nylon Speedboard®; Missiongrip™ outsole

Highlights

• Ultra-distance trail performance Built for ultra-distance races on technical terrain, the Cloudultra 3 keeps you locked in when the route starts throwing tantrums. CloudTec cushioning smooths out impact while still feeling agile underfoot. Dual-layer Helion HF superfoam powers you forward, keeping legs fresher, longer. From steep climbs to sketchy descents, support, protection, and comfort stay impressively consistent.
• Helion HF and Speedboard system A dual-density Helion HF hyper foam midsole pairs softness and snap, so every step feels cushioned but never sluggish. Underneath, On’s signature Speedboard adds a firm, propulsive backbone that keeps transitions sharp and efficient. Together, they create a ride that feels energetic at mile five and surprisingly alive at mile fifty, especially on rolling, mixed terrain.
• Leno weave upper and Missiongrip The engineered Leno weave upper is breathable, quick-drying, and abrasion-resistant in all the right zones, so dust, debris, and rough brushes stay background noise. Underfoot, Missiongrip rubber with an updated lug pattern bites into wet rock, loose gravel, and muddy switchbacks. The result: a stable, confident platform that lets you push pace instead of watching every step.

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