Zipadeedoodah! Our signature Footie now comes with the option of a zipper! Easy on and off. Just perfect for those middle of the night changes.Sizes 9 months and up follow approved 'snug fit' guidelines for children's sleepwear not treated with flame retardant.Fabric Content: 95% Viscose from Bamboo, 5% Spandex Ivy Sled Zipper Footie