5.0 oz., 100% combed ringspun cotton 1x1 baby rib ; Heather is 88/12 combed ringspun cotton/polyester; White is sewn with 100% cotton thread; Coverstitched ribbed binding on lap shoulder neck, shoulders and sleeves; Fold-over mitten cuffs; Coverstitched elastic bottom; Side seam construction; EasyTear� label; CPSIA Compliant tracking label in side seam; Machine washable/ tumble dry low; Fit: Infant Unisex