Built for precision, protection, and pedal grip, the Fox Union BOA® Flat MTB Shoes elevate your ride with race-ready performance and everyday durability. Featuring a dual BOA® Li2 system for a custom fit, a new D3O®-enhanced outsole, and Ultratac™ rubber for unmatched pedal feel and grip, these shoes are made to dominate trails—and the post-ride hangout.

KEY FEATURES

• Dual BOA® Li2 System: Micro-adjustable fit on the fly for maximum comfort and power transfer.
• All-New Outsole with D3O® Insert: Enhanced cushioning for better impact absorption on rough trails.
• Superior Flat Pedal Grip: Ultratac™ rubber compound and engineered tread pattern deliver best-in-class traction and durability.
• Durable & Breathable Upper: TPU welded with ripstop materials for lightweight protection and airflow.
• Reinforced Toe Cap: Built-in rock strike protection for technical descents and aggressive trail riding.
• Custom Arch Support: High and low arch inserts included to fine-tune your fit.
• Stiffness Meets Comfort: Molded internal stiffening plate optimizes pedal efficiency without sacrificing off-bike mobility.

SPECS

• UPPER: TPU and ripstop welded construction

• OUTSOLE: Ultratac™ rubber compound with D3O® insert

• FIT SYSTEM: Dual BOA® Li2 micro-adjustable dials

• ARCH SUPPORT: Interchangeable high and low options included

• PROTECTION: Reinforced molded toe cap

• MIDSOLE: Custom-tuned low-profile EVA

• SIZING: Standard fit, true to size across Fox Union models

BUILT TO RIP

From fast singletrack sessions to technical enduro stages, the Union BOA® Flat Shoes give you the pedal control, foot protection, and long-ride comfort you need to stay fast—and stay fresh when the ride's over.