Geox Trekkyup ABX winter ankle boots in navy blue protect against cold and moisture. The upper made of polyurethane with a suede and nylon look is complemented by a wool and polyester fur lining. The waterproof and breathable Amphibiox™ technology helps keep feet dry, while Respira™ technology promotes moisture wicking. The reinforced toe and heel protect the foot when playing outside. The Velcro closure makes it easy to put on and the removable insole is easy to maintain.