85 % organic cotton / 15 % post-consumer recycled polyester. Ringspun combed cotton. Enzyme washed. 3-ply brushed fleece, LSF (Low Shrinkage Fleece). 1 x 1 rib waistband with drawstring. Buttonhole eyelet for waistband drawstring. Side pockets. 1 back pocket with piping. Twin-needle leg hem.