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breathable fabrics and lightweight adjustments
Precision is essential—the ratio must be accurate for the hydrogel technology to function properly
The 4:1 sodium-potassium ratio is specifically designed for situations where standard hydration products don't provide adequate sodium replacement
Spend a whole day of engaged conversation and musical feasts in total contoured comfort
This is the world's first energy gel
Heart Rate Monitor Grey Coros breathable fabrics and lightweight adjustmentsCompatible 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.