This heart rate monitor soft strap is an indispensable part of the heart rate monitor, it will detect and send your real-time heart rate to the receiving terminal accurately, is suitable for the health-caring people, the gym fans, the beauty-loving people, the life-enjoying people. Heart Rate Monitor Replacement Soft Strap Works with Polar H7 H9 H10 & More /Works with Garmin Dual. Compatible with Wahoo Tickr Garmin HRM Coospo Powr Labs LIVLOV XOSS Manege Moofit and so on. Upgraded straps with a new type of buckle which more comfort and convenient. Material: Silicone +Fiber. The fabric chest strap is comfort to wear, lightable and the length can be adjustable according to your size. This chest strap can be worn in sizes from M to XXL, suitable for people of all shapes. You can wear it when rowing, cycling, climbing, yoga, running, training indoors or outdoors.