Coros Heart Rate Monitor Size:ALL heavyweight 100% organic cotton flannel

heavyweight 100% organic cotton flannel lined with contrast polyester plain weave and insulated with 60-g Thermogreen™ 100% polyester (90% recycled) for increased warmth

Packs a Punch: Thanks to the magic of COROS’ efficiency of COROS GPS battery technology

3-oz 200-denier 100% recycled polyester with a polyurethane coating

Two-way front zipper and two spacious pockets to warm hands in

have been calling – and culling – the shots for three decades

Coros Heart Rate Monitor Size:ALL heavyweight 100% organic cotton flannelCOROS HEART TRATE MONITOR, PRECISE DATA, TOTAL COMFORT. Compatible 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. Features Product detail 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