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 1x1 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. No brand label, only a tear-off size tag for easy decoration.