wellco military combat boots $141.70 wellco's signature hot weather side zip upper design combines the best of tactical boots. this boot features a dual density pu soling system that makes the boot 30% lighter than traditional boots. Military boots. two instep premium drain vents. proprietary premium polyurethane midsole. full grain leather and nylon upper. curved ykk side zipper. wellco hi density non melting pu outsole. sage green.