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Provided by Tyme Wear, the smart shirt for elite athletes.

Cutting-Edge Metabolic Testing in the field

Tyme Wear uses a smart shirt to measure your real physiological profile to help personalize your training.

97% as accurate as a performance lab

Insights From the Field

No more guesswork

How it works

Join the Tyme Wear program & get your free Smart Shirt

Wear the shirt once a week to measure your physiological profile.

Get custom reports and track your progress throughout your training.

What athletes are saying

 I cut 13 minutes off my race time and qualified for the Boston Marathon by following my recommended pace from the Tyme Wear app.

Dan F.

Testing my threshold and knowing where I stood gave me the confidence to push beyond what I thought I was capable of.

Nina S.

Amazing product! The Tyme Wear app predicted my race time weeks before I was even on the starting line.

John B.