Cozie Fleece Baby Booties with Contrast Lining 80% Cotton and 20% Polyester The adjustable snap closure help booties stay on the squirmiest babies. Booties feature a soft cotton lining for added comfort. This color design is exclusive to Baby Supermall. Zutano baby booties can be worn as slippers in the house or as shoes to finish off an outfit. These booties are a favorite of Zutano customers.