BODY-HUGGING CROP FOR INFINITE COMFORT.The Nike Yoga Tank has Nike Infinalon fabric feels irresistibly soft and smooth while providing a gentle compressive feel as you breathe, stretch and move. Vertical ventilation on the front and back help you stay cool.Infinite ComfortNike Infinalon fabric is an infinitely comfortable and incredibly stretchy new material that feels so good youll want to wear it everywhere. Thinner, lighter and even stronger than our traditional yarns, Infinalon feels irresistibly soft and smooth while providing a gentle compressive feel that hugs your body so you can breathe, stretch and move without limits.Sweat-Wicking PowerA strappy design with Dri-FIT technology moves sweat from your skin to help you stay dry and comfortable.Cool AccentsVertical ventilation on the front, sides and back helps you stay cool when your session heats up. More Details Tight fit for a body-hugging feelCropped length63% nylon/37% spandexMachine wash63% NYLON,37% SPANDEX