New Balance_Sigma Harmony_BOA_Track Spike_Unisex

New Balance Sigma Harmony BOA

The BOA® Fit System delivers micro-adjustable precision fit, engineered to perform in the toughest conditions on the New Balance Sigma Harmony BOA track shoe with S3.

DIALED IN - Micro-adjustable, precision fit.
LOCKED IN - Connected fit locks in the heel for increased foot speed and improved stability.
CONFIDENT - Engineered and built to perform in the toughest conditions.

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How to Dial In the Boa Fit System.

Turn to Adjust

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