ventilation and sweat-wicking comfort. the nike printed miler men's running shirt is made with ultra-lightweight mesh for excellent breathability and dri-fit fabric that lifts sweat away from the skin to help keep you dry during a run.. benefits. dri-fit fabric to wick sweat away and help keep you dry and comfortable. crew neck with interior taping for a comfortable fit. allover mesh for superior breathability. short raglan sleeves for natural range of motion. flat seams move comfortably against your skin as you work out. reflective elements for enhanced visibility in low light. product details. allover stripes. fabric: dri-fit 100% polyester. machine wash.