Only worn once, then she outgrew it! Super soft bamboo / spandex. Our viral convertible pajama now comes in an ultra cozy bamboo waffle knit fabric. Yahoo. Changes are a breeze while keeping baby covered for easiest access diaper changes with our exclusive DIAPER-ZiP®. Just flip the footie when the littles want to walk or for extra warmth - DIAPER-ZIPPER means the easiest changes while baby stays covered + cozy - Fold over optional hand mittens to prevent scratching, added warmth, up to 9M - Use it as a footie or a romper - your choice, with fold over foot cuff. - Lap shoulder neckline for easy on and off - Only 1 zipper, where you need it, for optimal comfort - Zip pull tucks into fabric cover to protect baby - Our products are never treated with chemicals. Therefore, our PJs adhere to the tight fitting regulations for sleepwear