Polar a300 fitness watchyour body and the a300 designed to move and made for each other its about getting it right and getting there faster designed to be interchangeable a small change can make a big difference match your mood and style with the waterproof a300s vibrantly coloured easy to change wristbands the a300 tracks your moves 247 it shows your steps distance and burned calories let the a300 guide you and show you different ways to reach your daily goal features 247 activi