COROS Heart Rate Monitor Sandals and chafe-free liner

and chafe-free liner

breathable and durable materials built for in and around water

Memory foam collar

and forward seams on the front offer a contoured shape and fit

Knit upper with zonal venting: Affords breathable comfort

COROS Heart Rate Monitor Sandals and chafe-free linerHRM GRY 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. Wear detection allows for automatic device pairing for new workouts. 38 hours of full operation or 80 days in standby mode on a single charge. Rechargeable with a magnetic USB charging cable. PRECISE