The lights pulse. the music bumps. you're ready to go all out during hiit when you're wearing this t-shirt. designed to keep you going in hot conditions, heat.rdy means that heat will be no match for you. move any way you want because special details give you a full range of motion. mesh in the back keeps the air flowing. a reflective 3 bar logo changes colour, so you'll look as dynamic as you feel.S/sleeve