Under the Sea - Organic Zipper FootieGOTS certified 100% organic cotton body hugging fit to surely become your favorite outfit for any occasion outing fold over, mitt sleeves (in sizes preemie nb, 0 3m, and 3 6m) for added warmth and protection from self scratching rubber dotted grip soles on all sizes to prevent slipping thoughtfully designed with elastic on back of ankles for a stay in place fit ankle to neck zipper (up one leg), with zipper pocket at ankle for safety and comfort small