Take your training to the next level with the chest based HRM from Garmin, providing six running dynamic measurements. The design is subtle comfortable with the unit neatly sitting with the strap. The strap itself is seamless, easily adjustable & non-slip for comfort & practicality. The unit itself provides advanced heart rate readings whilst also boasting physiological features such as VO2 Max, Lactate Threshold, recovery time estimates, stress score, performance conditions & predicted race times. Up your training.