The Union Boa LE represents Fox's most refined clipless platform, combining a redesigned TPU welded upper with ripstop reinforcement for enhanced durability and breathability. Dual BOA® Li2 dials enable precise fit customisation while maximising power transfer to the pedals. A protective molded cap guards against rock strikes, while robust construction withstands relentless trail demands—designed for riders demanding uncompromising performance and confidence on technical terrain.
Features:
- New outsole featuring a D3O® cushioning insert
- Combined TPU/ripstop welded upper
- Dual BOA® Li2 system provides on-the-move micro-adjustability and improved power transfer to the pedals
- Molded toe cap designed to protect against rock strikes
- High and low arch support options for a custom fit
- Molded internal stiffening plate optimizes power transfer and off-bike comfort
- Ultratac™ rubber compound provides excellent durability and unprecedented grip
- 2-bolt cleat system compatible with all major pedal suppliers
Size Guide:
| 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 |
Union Boa LE
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The Union Boa LE represents Fox's most refined clipless platform, combining a redesigned TPU welded upper with ripstop reinforcement for enhanced durability and breathability. Dual BOA® Li2 dials enable precise fit customisation while maximising power transfer to the pedals. A protective molded cap guards against rock strikes, while robust construction withstands relentless trail demands—designed for riders demanding uncompromising performance and confidence on technical terrain.
Features:
- New outsole featuring a D3O® cushioning insert
- Combined TPU/ripstop welded upper
- Dual BOA® Li2 system provides on-the-move micro-adjustability and improved power transfer to the pedals
- Molded toe cap designed to protect against rock strikes
- High and low arch support options for a custom fit
- Molded internal stiffening plate optimizes power transfer and off-bike comfort
- Ultratac™ rubber compound provides excellent durability and unprecedented grip
- 2-bolt cleat system compatible with all major pedal suppliers
Size Guide:
| 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 |