Geox Baby Kaytan Boy 9 First Walker (Infant/Toddler) 100% Leather Rubber sole Geox breathes sole technology combines breathability with a waterproof membrane Perforated sole allows air to flow into the shoe with each step while the waterproof membrane allows perspiration to flow out of the shoe but doesn't allow water to seep in from underfoot Flexible sole Made with Premium Italian leather Insole