100% heavy weight cotton, pre-shrunk, and run quite small. We HIGHLY recommend that you order 1 size large. * Will last a long time with cold water washings. * We use pdf (cotton) stitching which absorbs the dye also. * Some dyers use cheaper lightweight blanks with nylon stitching which does not absorb the dye. * This item is frequently purchased for personal use and as a gift. Extended sizes available.