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High-performance mountain bike shoes featuring a seamless welded upper and Ultratac rubber outsole for superior grip and durability on technical trails.
The Fox Men's Union Cycling Shoes are engineered to handle the most demanding trail, enduro, and downhill adventures. Featuring a precisely-welded, one-piece seamless upper, these shoes offer a consistent fit and exceptional durability without the weight or irritation of traditional seams. A molded toe cap and reinforced toe box provide critical protection against rock strikes and trail debris, while the low-profile custom-tuned midsole balances all-day riding comfort with optimized power transfer to the pedals. Whether you're navigating technical climbs or pinning it through rock gardens, the Union delivers the confidence and control needed for every lap.
| Intended Use | Trail, Enduro, Downhill |
|---|---|
| Upper Materials | TPU, EVA, and TPU-coated mesh |
| Outsole Material | Ultratac Rubber |
| Cleat Compatibility | 2-bolt (SPD-style) |
| Weight | 445g / 16 oz (Size 9) |
| Size EU | US (Mens) | US (Womens) | US (Youth) | UK Size | Japan / CM Size |
|---|---|---|---|---|---|
| 37 | 5 | 6.5 | Y5 | 4 | 23.5 |
| 38 | 6 | 7.5 | Y6 | 5 | 24.5 |
| 39 | 7 | 8.5 | Y7 | 6 | 25.1 |
| 40 | 7.5 | 9 | Y7.5 | 6.5 | 25.8 |
| 41 | 8 | 9.5 | Y8 | 7 | 26.5 |
| 41.5 | 8.5 | 10 | - | 7.5 | 26.8 |
| 42 | 9 | 10.5 | - | 8 | 27.1 |
| 42.5 | 9.5 | 11 | - | 8.5 | 27.5 |
| 43 | 10 | 11.5 | - | 9 | 27.8 |
| 43.5 | 10.25 | 11.75 | - | 9.25 | 28.1 |
| 44 | 10.5 | 12 | - | 9.5 | 28.5 |
| 44.5 | 11 | 12.5 | - | 10 | 28.8 |
| 45 | 11.5 | 13 | - | 10.5 | 29.1 |
| 45.5 | 12 | 13.5 | - | 11 | 29.5 |
| 46 | 12.5 | 14 | - | 11.5 | 29.8 |
| 47 | 13 | 14.5 | - | 12 | 30.5 |
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