Compound Upper: 100% Synthetic, Lining: 91% Textile-9% Synthetic Sole type Outsole: 100% Rubber, Insole: 100% Leather Breathability for the outsole and a feeling of well-being for the foot are guaranteed by Geox patented systems. Excellent flexibility which provides more freedom of movement. Highly wearable footwear that offers superior comfort. Antibacterial footbed. Non-marking rubber sole. The padding of the footbed is made of non-toxic chrome-free leather. The single Velcro closure and elastic lace closure make it easy to put on and adjust. The removable footbed is hygienic and practical.