Silicone replacement chest strap for accurate heart rate tracking Key benefits Accurate, reliable readings: Breathable silicone construction improves electrode transmission for consistent heart rate monitoring during activity. Secure, comfortable fit: Stretchy siliconefibre blend adapts to body movement and keeps sensors firmly positioned, ensuring steady contact and accurate data. Durable and lowmaintenance: Silicone material resists wear from repeated use and maintains performance over time. Wide compatibility and adjustable sizing: Replacement chest strap fits a range of models (check your device connector) and adjusts from 27.56 to 39.37 inches for a secure fit during training. What it does Provides stable sensor contact to reduce signal noise and improve HR accuracy. Conforms to the body to minimize shifting during motion while remaining breathable for extended use. Who it's for Designed for athletes, fitness enthusiasts, and outdoor adventurers who require stable heart rate monitoring during workouts and activities. Practical use scenarios Interval running: Keeps sensors in place through sprints and recovery intervals for consistent heart rate data. Road cycling or mountain biking: Maintains reliable contact during long rides and varying body positions. Trail hiking or outdoor training: Breathable, durable strap suited to extended sessions where consistent monitoring is needed. Specifications Material: Silicone with stretchy siliconefibre blend Size range: Adjustable from 27.56 to 39.37 inches Function: Breathable chest strap that improves electrode transmission and secures sensors for accurate heart rate tracking Compatibility: Replacement strap suitable for different heart rate monitor models (verify connector compatibility with your device) Replacement chest strap that focuses on stable contact, accurate readings, and a comfortable fit for active use.