| Size | UK | US Men's | US Women's | EU |
| Small | 2-4.5 | 4-6.5 | 34-37 | |
| Medium | 5-7.5 | 6-8.5 | 7-9.5 | 38-42 |
| Large | 8-11 | 9-12 | 10-13 | 43-46 |
| X-Large | 11.5-14.5 | 12.5-15.5 | 47-51 |
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ON Men's Cloudultra Pro | Cinder/Pearl | Trail
Ultra-trail running shoe that's athlete-approved for max speed and endurance. Engineered to take you further, faster.
Tried and tested at elite multi-day ultra trail events in the Alps, the Cloudultra Pro is engineered for maximum running efficiency. Because over extreme distances on mountain terrain, conserving energy is the key to keeping pace.
This shoe has a dual-layer midsole of Helion™ HF hyperfoam with a Speedboard® rebound system for perfectly calibrated energy return and stability. To keep your pace steady through all those ups and downs.
The updated Missiongrip™ outsole with a new lug profile developed with FEA (Finite Element Analysis) and sports science work with athletes. For unparalleled grip and traction.
Shoe Type: Trail
Use: Everyday Running
Drop: 6mm
Weight: 275g
Product Code: 3MF30173626
Tech & Features:
- Helion™ HF hyperfoam dual midsole for rebound and stability
- Redesigned Missiongrip™ outsole – our most advanced yet
- Optimized with cutting-edge FEA (Finite Element Analysis)
- Lug geometry designed for traction and grip
- Quick-dry, breathable and supportive zoned Leno weave upper
- Engineered rocker maximizes running efficiency
- Extensively tested in lab and field at ultra-distances
- Cutting-edge tech for endurance and maintaining speed
Drop: 6mm
Support: Neutral
Function: Trail Racing
Product Code: 3MF30173636
We offer the following delivery options for all UK orders:
Free Delivery 1-2 Working Days. Orders over £50
Standard Delivery £2.95 (1-2 Working Days) - Orders under £50
Next Day Delivery £4.95 (orders placed before 3:30pm Mon-Fri)
You have 28 calendar days to return the item to us. To be eligible for a return, your item must be in the original packing, unused and in the same condition that you received it. Please see our returns page for further information.
