Sugoi Women's RSR Short Sleeve Top Body 84% Polyester, 16% Spandex / Body Contrast 84% Polyester, 16% Spandex / Mesh Underarm & Center Back Panel 90% Polyester, 10% Spandex Imported Rear pocket construction designed to store your run essentials Comfortable stretch for a friction free fit Bonded hem for a performance aesthetic Zone construction featuring mesh panel inserts for airflow and breathability