Biomecanics Boys Leather Toddler Shoes in navy blue with brown/orange detail from the Biogateo series have hyperflexible sole and reinforced toecap. The shoes developed at the Biomecanics Institute of Valencia have a side stabiliser which controls sideways movements of the foot. They are made of natural materials (no chrom or brass). Thanks to the "elephant foot" sole they provide maximum stability. Padded heel ensures no chafing and "U-shaped" heel lets the ankle to move and prevents pressure on the Achilles heel.