4.5 oz./yd, 100% combed ring-spun cotton jersey. Heather is 90/10 combed ring-spun cotton/polyester. CVC colors are 60/40 combed ring-spun cotton/polyester. White is sewn with 100% cotton thread. Ribbed collar, sleeve cuff, and leg cuff. Innovative snap tape closure at leg opening. CP SIA compliant tracking label on side seam. Easy Tear label. This product meets the following Sustainable Style subcategory - Socially Conscious Manufacturing - This product was made in a facility that is WRAP certified.