Stay grounded. Let the Ula Tall Boot make its way to your wardrobe featuring a shaft that rises over the knee and secures with a lace-up detail at the back.. Closure Type: Zipper Shaft Circumference: 14 3/4 Inches Boot Shaft Height: 20 Inches Shoe Heel Height: 1 1/2 Inches Upper/Outer Base Material: 100% Polyurethene Shoe Lining Material: Fabric Sole Material Content: 100% Thermoplastic-Rubber Calf Width: Regular Toe Type: Closed Toe, Plain Toe Heel Style: Block Heel Country of Origin: Imported