Big Star sports shoes are made of high quality eco-leather and mesh material. The inside of the shoes is insulated with a blanket that is pleasant to the touch. Attached Velcro fastener with additional elastic elements imitating laces. The sole made of rubber material is non-slip. The perfect shoe for your baby on colder days. When selecting a size, use the size chart.28-18/29-18,5/30-19/31-20/32-20,5/33-21/34-22/35-22,5 cm.