With versatility in mind

designed with extra room and spacious feel

Resistance is futile

Thumbholes at cuff

Do Not Iron Decoration

COROS Heart Rate Monitor bottoms With versatility in mindHRM 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