Kickee Pants Bamboo Footie with Zipper 95% Viscose 5% Spandex Zipper closure Made from super soft, sustainable, 95% Viscose from Bamboo / 5% Spandex Bamboo viscose fabric blend will keep baby dry and cozy Fleece inside of foot help keep baby's feet warm while embroidered feet help to prevent slipping Maintains shape after washing and only requires short low temperature drying times Machine Wash