adidas Kaiser 5 Liga football boots A classic among football footwear. Made of natural leather, these football boots are designed for playing on natural surfaces. The upper is made of soft, durable natural leather and the sole is made of synthetic material. The material provides a great fit . Improved ball feel. A special EVA foam insole protects your joints and reduces the risk of injury. Designed primarily for hard, natural surfaces, these comfortable boots will allow you to unleash your potential. Properties: EVA foam insole guarantees comfort Perfect fit Made of solid cowhide leather Fantastic ball feel Outer sole – made of plastic, additionally riveted. Material: Natural leather