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

Lab quality Insights from a smart shirt

Tyme Wear is a smart shirt that helps personalize your training by assessing your metabolic profile from your breathing

97% as accurate as a performance lab

Insights From the Field

No more guesswork

How it works

Buy Tyme Wear & download the app from the App Store.

Wear the shirt to test your fitness and get workout insights.

Set training goals and track your progress towards them.

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.