COROS Heart Rate Monitor (LARGE) M Fresh Foam X More v4 Knit with Balega's proprietary Drynamix®

Knit with Balega's proprietary Drynamix® fibers to keep feet cool and dry

Features Helion™ superfoam for high performance in urban environments

This neutral everyday trainer is a versatile choice for various running workouts and distances

the Blue Bananas 1

COROS Heart Rate Monitor (LARGE) M Fresh Foam X More v4 Knit with Balega's proprietary Drynamix®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.