For the most accurate core body temperature measurements, CORE is worn on the chest. The chest strap is a convenient and reusable solution for wearing the CORE for extended duration. The strap is made of soft stretchable nylon that can be easily washed and reused. It is one-size-fits-all and can accommodate a range of sizes.
Please note that CORE data is only reliable when paired with heart rate data, so if you choose to use this strap instead of a HRM strap, make sure you are still getting HR data from a watch.
For US customers: due to the current geopolitical situation, a tariff surcharge will be added to your order at checkout.
CORE offers free shipping to the US, UK, Canada, and Europe on orders over CHF 249.
Please note that prices shown for customers from outside Switzerland and the EU exclude VAT or relevant import duties. Learn more.
