85 % organic cotton / 15 % post-consumer recycled polyester. Combed cotton. 3-ply brushed fleece LSF (Low Shrinkage Fleece: pre-shrunk fleece). Enzyme-washed. Elasticated waistband in 1 x 1 ribbing with round drawstring made from organic cotton. Buttonhole eyelet for waistband drawstring. Side pockets and one back pocket with piping. Twin-needle overstitched leg hem.