This sporty ECCO Kids leather shoes possess the proven GORE-TEX technology, which ensures the water tightness. In addition, the couple has a slip-resistant outsole and is ideal for outdoor activities. - BIOM technology: light shoe with a very flexible, grippy outsole promotes the natural movement of the foot and provides grip elastic quick lacing practical pull strap on ankle collar reinforced heel upper and tongue soft padding removable padded insole upper: Leather, Other material lining: textile insole: Other material, textile sole: Other material