"The best shoe for growing feet"! Kids winter boot for colder environment. The first shoe designed to let the child´s foot grow without restrictions. Very flexible, very wide and very light. New NatuRun Sierra outsole which is very thin, but made with durable special rubber compound. With this shoe the kids´s foot muscles and tendons will be stronger, foot arch will develop without any artificial (=bad) supports and the shape of the foot will be natural. Easy to put on/off. Extra warm lining and removable Thermal insole for winter. Sizes: 22-35 (EUR) Color: Brown Materials: Canvas, microfiber and synthetic reinforcements Outsole: NatuRun 1.8-2.5 mm We recommend water-repellant treatment if the shoe will be used in wet conditions (like spray-on treatment, beeswax etc.).