Padraig Baby Slipper is made with pure wool. Dyed and crocheted by hand with an extra soft sheepskin lining and tough leather soles for long-lasting comfort. The Baby Slipper has the elasticity to stay put without being overly constrictive on young growing feet. Sizing NB- 0-3 months B3 3-12 months B5 12-24 months B7 24-36 months