Ace Zip-up FootiePREMIUM KNIT FABRIC Our zip up footie pajamas are made from the same ultra soft and stretchy material as our beloved knit swaddle blankets. Both lightweight and breathable, the premium fabric promotes a cool and comfortable nights sleep. Wash before use to ensure the best fit and softness for your little one. BONUS FEATURES Our zip up footie pajamas feature a comfy, tag free neck for ultimate comfort, as well as a two way zipper for easy diaper