The Nike Pro Top is thinner on the back, leaving you with highly breathable fabric in high-heat areas to help keep you cool during your hottest workouts. Dri-FIT technology moves sweat from your skin for quicker evaporation—helping you stay dry and comfortable. The fabric on the back panel is thinned out around high-heat zones to help keep you cool. Lightweight fabric has a soft cotton-like feel so you can work out in comfort. Style code: CU4975-442 Size Large New with tags