5.5 oz./yd², 100% combed ringspun cotton jersey, 22 singles Heather is 90/10 combed ringspun cotton/polyester CVC colors are 60/40 combed ringspun cotton/polyester White is sewn with 100% cotton thread Topstitched ribbed v-neck collar Self-fabric back neck tape Side seams Double-needle hem sleeves and bottom EasyTear™ label