Fox Union Boa Cycling Shoes - Black

When the trail turns rocky and the descent demands full commitment, the Fox Union Boa Cycling Shoes keep you locked in and ready to push harder. Built for all-mountain riders and enduro racers, these shoes combine a precise dual BOA Li2 closure with a rugged Ultratac™ rubber outsole so you can tackle technical climbs and rowdy descents with confidence.

Key specifications

• Closure System: Dual BOA Li2 Dials for on-the-fly micro-adjustment
• Outsole: Ultratac™ Rubber with aggressive multi-directional lugs
• Cleat Compatibility: 2-Bolt SPD (MTB Standard)
• Upper: Synthetic Leather, TPU, and Mesh for durability and ventilation
• Midsole: EVA with internal reinforced nylon composite shank
• Toe and Heel Protection: Reinforced toe cap and heel counter
• Footbed: Molded EVA for all-day comfort
• Fit: Performance Fit, Unisex
• Weight: Approx. 950g per pair (size US 10 / EU 43)

Why choose it

The Fox Union Boa delivers a stiff, efficient pedaling platform without sacrificing walkability. The BOA system ensures a secure, uniform fit with no pressure points, while the breathable upper keeps your feet cool on long rides. Durable construction stands up to rock strikes and trail abuse, so you can focus on the ride.

Ideal use cases

• Trail riding and all-mountain adventures
• Enduro racing and aggressive descending
• Riders seeking a secure, adjustable fit with SPD cleats

Good to know

These shoes are compatible with most 2-bolt SPD cleat systems. The reinforced toe and heel provide extra protection in rocky sections, and the aggressive tread pattern offers reliable grip when you need to hike-a-bike.