1.90% Cotton, 10% Polyester,soft brushed fleece 2.Drawstring closure 3.The fleece soft brushed inside keep your skin comfortable. We specially deal with the fabric so the fabric breathable and anti-pilling, long colorfast. 4.Rib with spandex at sleeve opening and hem, easy to put on and take off. The rib with spandex could keep shape after many times washing. 5.The sweatpants with deeper pockets on both sides for convenient storage. Waistband with spandex and adjustable drawstring provides easily wear, could perfect suit your waist and comfortable for fitting.