From Born, the Katie Leather Buckle Hardware Strap Booties feature: Soft hand-finished leather upper Opanka hand-crafted construction Breathable soft fabric suede lining Cushioned fabric-covered footbed with extra foam for added comfort Rubber outsole High-traction flexible lightweight rubber outsole with inlaid leawood stacked heel Approx. 3.75" shaft height Approx. 9.75" standard shaft circumference Approx. 1.34" heel height Imported. .