Description
Specifically designed for the automatic pedals of mountain bikers, the Fox UNION BOA is a mountain bike shoe that features an ultra precise Boa fit system for better performance.
Providing great pedaling efficiency and a precise fit thanks to the dual BOA Li2 system, this model is also equipped with rugged features, including a molded shell to protect against bumps from rocks encountered on the trail. Lightweight and snug fitting, this shoe features a discreet midsole that improves grip and feel on the pedals, while the molded internal reinforcement plate maximizes pedaling power without compromising walking comfort.
On the outside, the outsole is made of an Ultratac rubber compound, with a sharp pattern designed to provide strong traction and durability. In addition, the two-bolt lug system is compatible with all major lug suppliers.
- Recommended uses: Mountain bike, Downhill, Enduro, Trail
- Materials: TPU, Eva and rubber
- Seamless, single-piece welded upper for reduced weight and a precise fit
- Reinforced toe to protect against rock impact
- Dual Boa Li2 system for micro-adjustment in motion and better power transfer to the blades
- Molded toe cap designed to protect you from impact
- Lower and upper plantar vote support options for a perfect fit
- Molded internal reinforcement plate that optimizes power transfer and walking comfort
- Ultratac outsole: combines traction and durability
- Two-bolt cleat system compatible with all major blade suppliers
- Condition
- New
- Warranty
- 2 years
- Type
Men - Year
- 2025
- Average unit weight (g)
- 430
- For the Size
- 42
- Discover the shop
- BOA technology






Reviews
There are no reviews yet.