Versatile, casual and contemporary mens ankle boots, waterproof, with high levels of grip and thermal insulation. Geox patented perforated sole for breathability and performance. The perforations are hidden and protected, not in direct contact with the ground, thereby improving the insulation performance. Whats more, the particular shape of the air ducts drains the water naturally quickly and easily. Amphibiox technology for maximum water protection. STS technology to ensure exceptional breathability and insulation. The structure and design of the rubber sole ensure high levels of grip and durability. Lining and insole made from materials that ensure high levels of thermal insulation. The insole with an aluminium film further helps to improve thermal insulation. 79% Full Grain Leather-21% Polyurethane Upper 71% Textile Mesh Polyester-29% Synthetic Microfiber Lining 100% Rubber Sole Lace-up Styling Amphibiox: superior waterproof performance for wet conditions while maintaining breathability.