Nike Men's Running Singlet BREEZY, STREAMLINED COVERAGE. Tick off those miles in comfort. The Nike Singlet offers a racerback design and breathable mesh fabric—made with at least 75% recycled polyester fibers—to help keep you cool on the go. Customize with your team's colors for a coordinated look for training or meets. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Knit mesh adds breathability to keep you cool. A racerback design lets you move freely. The dropped back hem extends your coverage. More Details Standard fit for a relaxed, easy feel 100% polyester Machine wash Imported Men's Nike Running Singlet