Brand Madden Mens. Style Name M-Naill. Country of Origin China. Material Polyurethane Upper, Mesh Lining, manmade Sole. Lace up front closure for personal fit. Side zipper for easy on and off. Goring panel at shaft top for added comfort. Accented with adjustable buckles. Shaft height measures approx. 5 . Shaft circumference measures approx. 10 1/2 . Heel height measures approx. 1 1/4 . NOTE All measurements taken on Size US 8. Measurements will vary by size.