The iconic Big Star children's sneakers are made of eco-leather. They have a rubber, reinforced tip. The model is characterized by logged laces. The sole with the platform is made of rubber material, which makes this model non-slip. Fabric insole. Classic sneakers will certainly be great for playing or walking. When selecting a size, use the size chart.28-18,5/29-19/30-19,5/31-20/32-21/33-21,5/34-22/35-23 cm.