5.5 oz., 100% cotton jersey (Ash is 99/1; Heather is 90/10 cotton/polyester) ; Ash and White are sewn with 100% cotton thread;Ribbed collar; Shoulder-to-shoulder self-fabric back neck tape; Double needle sleeves and bottom hem; Side seam construction; EasyTear™ label; CPSIA Compliant tracking label in side seam; Machine washable/ tumble dry low; Fit: Infant Unisex;