Geox Adelhide winter boots have a silver pearl nylon upper with a leather-look material and a warm polyester lining. Waterproof and breathable Amphibiox™ technology, combined with Respira™ technology, helps protect against moisture and wick away moisture. Reinforced toe and heel protect the foot when playing outside. Velcro fastening makes it easy to put on and the removable insole simplifies maintenance.