Polar Vantage V Size:Med/Large Side breathing can alter your

Side breathing can alter your body position which impacts on your stroke's efficiency

Swim buoy perfect for keeping you safe and visible while swimming in open water

performance and style

This well-rounded ultra light fitness tracker helps you sleep better

Polar Vantage V Size:Med/Large Side breathing can alter yourThe Polar Vantage V GPS Multisport HR Watch is a pro level GPS multisport watch which forms a complete training solution to cover everything that goes into a pro athletes training. With Polar's advanced Optical HR sensor fusion technology with training load, running power & recovery pro and 130 + sport profiles. The Polar Vantage V comes with Polar H10 heart Rate Sensor. The first sports watch to measure running power from wrist. The 40 hour battery