5.5 oz., 100% ring-spun USA cotton (unless otherwise noted) Reactive-dyed for longer lasting color Pre-washed to minimize shrinkage Tubular construction Ribbed crew neck and long sleeve cuffs Taped neck and shoulders for durability Double needle stitching on bottom hem  Tear Anywhere label NAFTA certified Note: Heather Grey is 90% ring-spun cotton/10% polyester. Other Heathers are 50% polyester/50% ring-spun cotton.