Coros | Heart Rate Monitor | Grey Color:Grey the redesigned rubber outsole enhances

the redesigned rubber outsole enhances traction and durability

Soft Collar wraps ankle and reduces foot pressure during throwing events

reinforced B-rubber hem patches

A padded footbed ensures superior comfort

general knee pain

Coros | Heart Rate Monitor | Grey Color:Grey the redesigned rubber outsole enhancesCompatible with any Bluetooth heart rate enabled device, the COROS Heart Rate Monitor delivers over 38 hours of continuous accurate heart rate monitoring to track your workouts in distraction free comfort. Comfortable and simpler to wear than a chest strap. Easy to adjust the fit and remove the sensor for quick cleaning. Our latest multi channel optical sensor for precise measurement. Up to 3 simultaneous connections with Bluetooth enabled devices.