Turn Heads at the Gym With This Color-Changing Workout Shirt

Fitness apps are certainly the rage these days, providing high-tech feedback on your workout routine. But if you'd rather not always have your smartphone by your side at the gym, a new workout shirt gives you visual feedback — colorfully. Like other athletic apparel, the Radiate shirt keeps you dry with moisture-wicking features. But where it stands apart is the shirt's ability to change color according to your body heat. Starting with MRI technology, West Chester, Pa.-based Radiate Athle...