PRODUCT FEATURES RUBBER SOLE (CHILDREN): Rubber sole. Leather overlays and synthetic underlays: depth in materials ALT CLOSURE (KIDS): Alternate closure. ALT CLOSURE (KIDS): Easy to put on and take off. EVA midsole and rubber outsole: ensures durability and comfort RUBBER OUTSOLE (KIDS): Comfort, traction and support. Breathable mesh SYNTHETIC LEATHER UPPER (KIDS): Comfortable and flexible upper ALT CLOSURE (KIDS SS): Closure with a strap + Elastic lace