Train and perform at your absolute best with the most accurate non-invasive wearable device for continuous core body temperature monitoring.
The sensor allows you to easily see how much your core temperature rises with effort, so you can train your body to adapt to internal and external heat. You can also design personalized cooling protocols crucial to helping you sustain your power and pace on race day. With CORE, you’ll be ready to perform at your absolute best in any conditions.

Important Warning
Overexposure to high temperatures can be dangerous to your health and the use of this product can lead to dehydration, heat stroke, heat exhaustion, and other heat-related illnesses, and in extreme cases, death. Please read the article on Heat Safety.
To reduce the risk of overheating and dehydration, drink plenty of water before, during and after the use of the suit. If you experience dizziness, vomiting, muscle cramps, nausea, and/or light-headedness, stop using the suit and seek emergency medical help immediately.
If you are over 65, suffer from a heart condition, high blood pressure, diabetes, respiratory condition, and/or under medical treatment, please do not use the suit without consulting a physician or a healthcare provider. Pregnant women and children (under the age of 18) should not use the suit under any circumstance.
This is not a toy. To avoid danger of suffocation, keep the suit out of reach of babies and young children.