While the Bose doesn't have some of the smart fitness features you get in the likes of the Lifebeam Vi or Jabra Elite Sport - no heart-rate or cadence measure - we'd still comfortably call the SoundSport Free the best sports earphones for pure music enjoyment.
Great sound; Comfortable to wear for long periods; Battery life is immense; Nifty "find my earbuds" feature; Solid connection
Design means the buds stick out quite a bit; No customisable equaliser; No heart-rate monitor; Buttons are hard to press