Brand: Red Wing. Collection: Heritage. Department: Men. Made In The United States. Style Name: Postman Oxford. Materials: Corrected Grain Leather Upper, Leather Insole, Cork Midsole, Black Cushion Crepe Wedge Outsole. Fully Resoleable Goodyear Welt Construction. Sweatproof Leather Insoles. Each Pair Develops A Personalized Fit And Custom Comfort Over Time Thanks To Foot Forming Leather Insoles And Cork Midsole. Iconic No. 210 Last Is Designed For Increased Flexibility And Lighter Work. Shaft Height Measures Approximately 4 1/2". Heel Height Measures Approximately 1". Platform Height Measures Approximately 1/2". NOTE: All Measurements Taken On Size US 10. Measurements Will Vary By Size. Many Customers Size Down 1/2 To 1 Full Size.