87% Polyester, 13% Spandex Imported Drawstring closure Solid color: 87%Polyester/ 13%Spandex; Heather color: 100% Polyester Lightweight breathable fabric wicks away sweat to keep you comfortable Elastic waistband with internal adjustable drawcord for a snug, custom fit Back Invisible zip pockets are convenience for cell phones or small items It is great for yoga, running, jogger, workout, walking or daily casual wear