NIKE Men's Pro Combat Hyperwarm Dri-FIT Max Fitted Shirt Dri-FIT Max fabric features a 3-D structure for faster sweat evaporation to help keep you dry and warm in cold weather. This training shirt is body-skimming for close comfort without compression. A low-cut mock design helps hold in your body heat and keep out the cold. Mesh underarm panels enhance ventilation Flat seams move smoothly against your skin as you work out