A very breathable, zero-drop barefoot shoe for kids&'; natural stance and movement. APMA approved (American Podiatric Medial Association) for healthy foot development. [--Read More--] Astelu kids&'; barefoot shoes are light and comfortable. The upper is breathable, elastic knit material that&';s just right for warm weather. The zero heel drop last enables a more natural stance and gait. These Reima shoes are machine-washable at delicate cycle, which will make your everyday easier. The flexible, thin (4 mm) rubber sole enables confident steps on various surfaces. Barefoot or minimalist shoes are excellent footwear for a child&';s early years and for walking on natural terrains. Are you looking for shoes for playing and running on asphalt and concrete? For bigger kids, for hard surfaces, we recommend sneakers with more shock absorption.