BREATHABLE FOR MILES. The Nike Dri-FIT Miler Men's Running Top helps keep you comfortable in sweat-wicking, breathable fabric. The back mesh panel provides targeted ventilation. Nike Breathe fabric helps you stay dry and cool. Dri-FIT technology helps you stay dry, comfortable and focused. Mesh panel enhances breathability. Standard fit follows the shape of your body. Dropped back hem helps keep you covered as you move. Reflective details. Machine wash.