Two-piece one-piece set for newborn. Long-sleeve one-piece for newborn. Footed design. Button closure at the front. Button closure at the crotch. Sizes 12 and 18 months feature non-slip soles. Long-sleeve one-piece for newborn. Footed design. Button closure at the front. Button closure at the crotch. Sizes 12 and 18 months feature non-slip soles.