4.5 oz., 100% combed ringspun cotton fine jersey; Heather is 93% combed ringspun cotton, 7% polyester; Ash is 98% combed ringspun cotton, 2% polyester; Granite Heather & Vintage colors are 60% combed ringspun cotton, 40% polyester; Ash and White are sewn with 100% cotton thread; Easytearâ„¢ label; Side seam construction; Double-neede hemmed sleeves and bottom; Fit: toddler unisex; Topstiched ribbed collar; Taped shoulder-to-shoulder; CPSIA compliant tracking label in side seam