Organic Thermal FootieGOTS certified 100% organic cotton neck to ankle snap design (down one leg), for easy dressing changing body hugging fit to surely become your favorite outfit for any occasion outing fold over, mitt sleeves (only 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 pairs perfectly