511 Burgundy with Zipper – Winter are leather boots with warm lining for colder weather conditions. 511 Winters are unisex boots that keep your feet warm even in the coldest winters. They have warm fur lining and are made of thick genuine leather. 511’s are manufactured in Estonia according to NATO AQAP 2110 quality standards. Our boots manufacturer has worked with well-known brands, including Dr. Martens and Rossignol , and has manufactured boots for multiple NATO armies. We promise that they …