Let there be rock, even when you're learning your ABCs! For the cool toddler, teacher, or children's librarian, black sweatshirts is 50/50 cotton blend, T-shirts are preshrunk 100% cotton. Toddler sizes 2T, 3T, 4T. Adult sizes S-3XL. One-piece snapsuit with envelope shoulders and halo snaps is 100% cotton, sizes newborn, 6, 12, 18, or 24 mos. Imported.