Wide width 11 wideSole materialRubberShaft circumferenceThe exact value is not provided, but based on the 'height_map' attribute and the image, a reasonable estimate for the shaft circumference of this product would be in the range of a typical mid-top boot, which is usually between 12-15 inches (30-38 centimeters). inches" or "centimetersOuter materialRubberCountry of OriginChinaAbout this itemOmni-Grip non-marking traction rubberTechlite lightweight midsole for long lasting comfort, superior cushioning, and high energy returnCordura textile. Omni-Tech waterproof breathable construction. 200g insulationPlease note: Laces and zippers incorporated in Columbia footwear are not waterproof.