Fourth Frontier X2

Overview

The Frontier X2 is a chest-strap wearable combining continuous ECG-based heart monitoring with highly accurate performance tracking. Designed for comfort and precision, it delivers deeper insights into stress, recovery, heart rate variability, and physiological load.

Key Benefits

• The Frontier X2 is a chest-strap wearable that combines continuous ECG-based heart monitoring with highly accurate performance tracking
• Designed for those who want deeper insight into both fitness and heart health, it captures richer cardiovascular and physiological data throughout the day
• Built for comfort and long-term wearability, the Frontier X2 helps you understand how your body responds to training, stress, and recovery
• As a chest-based monitor, it offers accuracy widely regarded as the gold standard in heart-rate tracking, delivering more consistent readings than typical wrist-based wearables
• It tracks key indicators including heart rate, ECG, heart rate variability (HRV), stress response, recovery patterns, and physiological load, reflecting the overall strain placed on the body through daily activity
• With a clearer view of cardiovascular function and body readiness, the Frontier X2 supports smarter decisions around training intensity, recovery, and lifestyle, offering a more advanced and data-driven approach to wearable monitoring
• Key Features & Benefits
• Continuous ECG-based monitoring for deeper cardiovascular insight
• Chest-strap design delivering gold-standard accuracy and consistent data capture
• Advanced HRV-based insights supporting VO max estimation and readiness tracking