They are sturdy and comfy, but also helpful for the natural development of the feet. Bobux uses non-toxic, water-based, lead-free colourings and eco-leather. All materials conform and exceed the strictest quality and safety standards including EU standards on toys BS 5665 Part 3 : EN 71. Leather is produced and tanned in New Zealand. Shoes are assembled in Indonesia under strict quality and safety checks. Bobux shoes are recommended by podiatrists and recognised by the American Association of Podiatrists. Colours: yellow Internal waterproof membrane Warm, perfect for the cold season Made in leather, they allow great thermoregulation and protect against cold. Perfect for winter and cold weather Materials: upper, ultra durable action leather; lining, fine merino wool; sole, flexible rubber Fastening: zip + elastic gusset Phase: for kids' first steps Tested to keep kids' feet dry for up to 4 hours submerged in water Non-toxic, water-based, lead-free colourings and eco-leather. All materials conform and exceed the strictest quality and safety standards Designed in New Zealand, made in Indonesia Help and improve balance, coordination and natural posture Help the feet’s natural and anatomical develop