Core 2 Thermal Sensor

Core 2 Thermal Sensor. Usable alongside Garmin, Polar or Coros HRM strap. Cleaned and maintained after every session.

Train and perform at your absolute best with the CORE Body Temperature Sensor — a compact, non-invasive wearable that delivers continuous, accurate core body temperature data.

Designed for endurance athletes, CORE helps you understand how your body responds to heat and effort, allowing you to optimise pacing, improve heat adaptation, and build personalised cooling strategies for race day.

Key features:
• Continuous, real-time core body temperature monitoring
• Clinically validated accuracy using advanced thermal energy transfer technology
• ANT+ and Bluetooth connectivity (pairs with Garmin, COROS, Wahoo, Apple Watch, etc.)
• Syncs with training apps for long-term performance analysis
• Lightweight, rechargeable, and waterproof design
• Can be worn on a heart rate strap or with adhesive patches

By tracking how your core temperature rises during training, CORE enables smarter decisions around effort, hydration, and cooling—helping you maintain performance in all conditions.