Sole material Synthetic Rubber Shaft height Ankle Shaft circumference 10.5 Inches Outer material Polyurethane (PU) Cushioned insole Side goring Approx. 4" shaft height Boost your look this season in the Die Hard heeled bootie by White Mountain Shoes. Simple and stylish, a block heel adds height without compromising comfort. Easily pull on this classic style and see why it's everyone's go-to bootie this season.