Now until January 6th, we are offering 20% off CORE Sensors so you can get ahead of next year's competition this indoor training season (terms and conditions apply).

Follow the plan below and train like many of the world's top athletes who are using heat training to boost their hemoglobin mass, VO2max, lactate threshold, power output, and blood plasma.

CORE measures and records several important thermal metrics that are crucial for safe and effective heat training. They are summarized in the CORE mobile app and some can be displayed live on your connected 3rd-party device. Click below to learn more about how CORE works.