Fox Union Boa MTB Shoes Cassettes there are three versions available:

there are three versions available: Standard

Shift levers designed and located for optimum performance by Aaron Gwin

XTR BR-M9120

Made of aluminium

Fox Union Boa MTB Shoes Cassettes there are three versions available:The all new Fox Union BOA Clipless Shoes are set to take your mountain bike adventures to new and more confident levels of you. Our #1 footwear style has once again raised the bar with another update, this time an all new upper (a blend of TPU welded upper featuring ripstop to provide a durable and more breathable experience), construction, and enhanced fit. Get more power to the pedal and customize your fit to perfection with the dual BOA Li2 system