Meet The Jack in Grey/Brown. The calfskin inner-lining helps support and add structure to the 100% wool upper. The sole unit is leather with rubber inserts for added grip, durability, and comfort. This is a versatile boot, ranging from formal attire to casual wear. Taft spared no expense on this boot and the comfort and quality will show from the moment you put them on. UPPER: Natural, raw wool TOE CAP: Italian full-grain calf skin COUNTER: Italian full-grain calf skin OUTSOLE: Leather sole with rubber inserts Standard D Width Blake Construction (resoleable) Size 43 / US 10