FRYE Mens Jonathan Harness Leather Boot opening measures approximately 15.5" around The Jonathan Harness from Frye&reg; offers a rich, handsome look. Soft vintage leather upper. Easy slip-on boot. Smooth leather lining for a long-lasting comfort. Harness accent for a vintage look. Goodyear&reg; welt construction. Lightly cushioned leather footbed. Durable leather outsole with a rubber forepart for excellent traction. Imported. Measurements: Heel Height: 1 1&frasl;4 in Weight: 2 lbs 4 oz Circumference: 15 1&frasl;2 in Shaft: 8 in Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.