Cutie Pie Baby Newborn Boys 2 Piece Gift Set Crib Shoes and Socks Black Crib Shoes: 100% Cotton; Polyurethane Soles Socks: 79% Cotton/14% Nylon/5% Polyester/2% Spandex Imported Machine Wash Crib shoes: 100-percent cotton knitted and polyurethane soles socks: 79-percent cotton; 14-percent nylon; 5-percent polyester; 2-percent spandex Lace up crib shoe