From Blondo, the Sierra Waterproof Leather Over-the-Knee Boots feature: Leather upper Waterproof materials with sealed seams Pull-on styling Synthetic lining Rubber outsole Approx. 20.5" boot shaft height Approx. 14" boot shaft circumference Approx. 1.75" stacked block heel Easy care: easily wipe off dirt and calcium/salt traces with damp cloth Imported.