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The BOA Fit System

We built the BOA® Fit System for micro-adjustability on the run. Designed to lock in the heel and stabilize the midsole so you can improve your running efficiency and reduce your landing impact on steep descents and technical trails.

Dialed In precision fit illustration - RUN

Dialed In.

Micro-adjustable, precision fit for on-the-fly tightening and loosening to stay in the zone on the trail for hours on end.

Dialed In precision fit heel illustration - RUN

Locked In.

A connected, secure fit locks the heel and stabilizes the midsole — designed to reduce landing impact through technical terrain, steep descents, and hardpack trails.

Dialed In precision fit midsole illustration - RUN


Engineered and built to perform on the toughest trails, BOA dials and lace provide superior durability through rocky streams and rugged terrain.

Speedland SL:HSV trail running shoe with the BOA Fit System



Passion and technology working together for a more dynamic run.


Speedland SL:HSv 


Get closer
to go further.

The BOA Fit System gives you a better connection to your gear by using instant micro-adjustments to effortlessly dial in the perfect fit for improved stability and stride predictability.


adidas terrex agravic pro - men's 

adidas terrex agravic pro - Women's 

adidas TERREX Agravic Pro trail running shoe with the BOA Fit System

Making the best gear even better.

Together we're redefining the possibilities of fit.