Children's winter boots Olang Happy - have rubber edging around the entire base. These Olang snow boots are insulated with a warm synthetic wool inner fur. The Olang Happy shoes have a durable sole with a rougher pattern that ensures better grip on the surface. * upper material: textile * durable outsole with a rougher pattern for better grip on the surface * zip fastening and one-point fastening * inner insulated artificial wool lining * rubber edging around the entire base * multi-layer aluminum foil in the insole area * reinforced heel and toe