Full Soles Veg Tooling Leather Shoe Boot Repair Replacement 4-5.5 mm New XL (4.5 mm) Genuine Leather Full Sole XL Size 3, 3.5, 4, 4.5, 5, 5.5 and 6 mm thick Approximate Length is 13 inches. Approximate Width is 5 inches. The best quality leather dense and rigid perfect for soles that will last.