What's Your Favourite Piece of Fitness Technology?

By Jamie Condliffe on at

We often only think of the technology that makes our lives more productive or entertaining. But what about the stuff that allows us to have the most fun outdoors?

So, what's your favourite piece of technology designed for sports, exercise or general fitness. What's changed your workouts or adventures the most?

Image by Annette Shaff / Shuttersotck