Ultra soft ribbed bamboo makes this footie a wardrobe essential during the colder months. Built-in stretch allows the cozy fabric to move as your baby does, while the footed legs keep little toes warm on windy days. Take the fuss out of diaper changes with a double zipper that provides easy access in both directions. 97% Rayon made from Bamboo, 3% Spandex Dual zipper Rib knit Sole grips for 6-12 months and up Fold over cuffs to prevent scratching on sizes preemie, newborn, and 0-3 months