Brown & Black Lightning Bolt | Bamboo Zip PajamasMade of the softest premium bamboo. Durable and well designed your little ones can sleep and play in these cozy pajamas. Our smallest sizes have rollover cuffs on the hands and all of the one piece sizes have cuffs on the feet giving you the option to go footless or footed without changing outfits. Sizes available in newborn 24 months Material : 95% bamboo viscose 5% spandex A key benefit of bamboo clothing is that it is naturally hypo allergenic,