Meet the CORE 2 Thermal Sensor—the next generation in wearable bio-metric technology for elite athletes, endurance racers, researchers, and anyone serious about optimizing heat management and performance. Track your real-time core temperature during training, heat adaptation programs, or competition, empower smarter pacing, and reduce the risks of heat exhaustion or poor recovery.

Why CORE 2?

Precision: Research-backed accuracy (mean difference -0.01°C to +0.23°C)
Enhance performance: Use real-time thermal data for heat training, pacing, or research
Plan and adapt: Safely boost hemoglobin mass and VO2 max through effective heat adaptation, or optimize your effort in real races

Key Features & Technical Specifications

Compact & lightweight: Just 41.9 x 29.4 x 7.1mm (no clip), 8.6g; 45.1 x 32.6 x 9.6mm with clip, 11.4g
Long battery life: 6 days of continuous use (up to 30 days standby mode)
Power supply: USB-C magnetic charging cable (included)
Connectivity: Bluetooth Low Energy (BLE) + ANT+ (2.4GHz)
Waterproof: Up to 1.5m (IPX7 rating)
Smart integration: Send live data to sports watches, cycling computers & apps (Garmin, Wahoo, COROS, and more)
Environmentally friendly: Fully recyclable packaging

What’s in the Box?

CORE 2 Thermal Sensor
CORE 2 HRM Strap Clip
Magnetic USB-C Charging Cable
Product Information Guide

Why athletes, coaches, and researchers love CORE:

Facilitate safer heat training sessions to amplify adaptation benefits
Real-time analytics for better decision-making race-day and in training
Backed by scientific validation and trusted across pro and Olympic teams

CORE 2 Thermal Sensor – Real-Time Body Temperature Monitoring for Peak Performance