Geox JR Arno 11 Leather Dress Shoe (Toddler/Little Kid/Big Kid) 100% Leather Leather 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