Upper: 93% Leather-7% Synthetic, Lining: 100% Leather Outsole: 100% Synthetic Material, Insole: 100% Leather Breathability for the outsole and a feeling of well-being for the foot are guaranteed by Geox patented systems. Excellent flexibility guaranteed by the Flexy system integrated into the tread. Highly wearable footwear that offers superior comfort. Toe and heel protectors provide protection against shocks and impacts. Antibacterial footbed. The padding of the footbed is made of non-toxic chrome-free leather. Closes with a single riptape, making for easy quick access. The removable footbed is hygienic and practical.