The Mongrel K91030 Elastic Sided Boot features a classic Chelsea cut upper and is made of claret oil kip and premium full grain leather. The Unisex design includes sizes 3-14 (6.5-10.5) and also a Ladies fit. Its AirZone® Comfort System and OrthoTec Lite footbed give you superior comfort all day, while the oil & fat resistant TPU/PU K9 sole and Coats Nylbond stitching ensure durability.