100% combed ringspun cotton, 5 ounce 1x1 baby rib one piece long sleeve bodysuit with ears. White is sewn with 100% cotton thread. Flatlock stitched seams. Double needle ribbed binding on lap shoulder neck, shoulders, sleeves, leg opening. Innovative snap closure. Side seam construction. EasyTear™ label. CPSIA compliant tracking label in side seam.