Rieker 33160. Smooth black leather men's boots that offer comfort, warmth and style. These men's zip up boots have two zips for easy fit and quick fastening whilst the premium leather upper is breathable and flexible. The RiekerTex membrane is water resistant and helps keep feet dry whilst the lambswool lining will keep your feet toasty and warm on the colder days. This pair of boots are a fine example of established footwear reinvented for the modern day.