Nike Men's Running Muscle Tank (Stock) SCULPTED FOR SPEED. Featuring stretchy fabric with sweat-wicking support and a body-hugging fit, the Nike Muscle Tank is sculpted to give you the fastest feeling possible while racing or training. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Stretchy spandex fabric moves with your body. More Details Tight fit for a body-hugging feel 92% polyester/8% spandex Machine wash Imported Men's Nike Stock Muscle Tank