Geox Junior Kyle 5 Dress Sandal (Toddler/Little Kid/Big Kid) 100% Synthetic and Textile Rubber sole Heel measures approximately 0.75" 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^Water friendly^Flexible sole