This Andrea Derby shoe from Barker comes with the Ultra Flex sole and is made on the 505 last using premium calf leather on a leather sole with a rubber insert.
Designed in Northampton, England Premium Craftsmanship Since 1880 Bologna Construction Full leather Insole and Lining Calf leather with Natural Finish Hand-stitched Detailing Leather Sole With Rubber Insert Last 505 / F Fitting Product Number: 465816