We asked Tom Brady and Lindsey Vonn what the most elite athletes in the world need from their running shoes. They wanted a shoe that could handle their toughest training days—a perfect combination of lightweight performance and support. Our response is a revolution in footwear inspired by some of the most dynamic motion systems in nature. UA Spine is the only running shoe that gives you lightweight, responsive cushioning without sacrificing stability. It delivers the speed you want and the cushioning you need, no matter how far your run takes you.