Martina Hingis Interview | Tonic Apparel | Tennis Express

By SP_COP on October 29, 2014
Former World No. 1, Martina Hingis, joined Tennis Express to talk about her new spring line with Tonic Apparel. This stylish line features soft performance fabric that works perfectly with all figures, boosting your tennis wardrobe. With the combination of elegance and comfort, the Tonic tennis collection is a must-have for spring!