So you've got the high performance running shoes, the right sports kit and a training programme that's going to get you as fit as you want to be. But have you really thought of everything? A good sports bra is as essential a piece of kit as a good pair of trainers.

Did you know that there are no muscles in the breast? Your breasts are made up of the suspensory Cooper's Ligament which, when unsupported during exercise, can stretch beyond repair and lead to irreversible breast sag. Your breasts can bounce up to 9cm* when unsupported during exercise!

A good sports bra is as essential a piece of sports kit as a good pair of trainers.