92% Polyester, 8% Spandex Imported Pull On closure Machine Wash Lightweight, stretchy fabric with vents at the hem helps you move naturally during high-intensity sets. Tight fit for a body-hugging feel Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Mesh over high-heat areas at the back, sides and underarms lets air flow to help keep you cool when the action heats up.