From Dr. Scholl's, the Joplin Tall Boots feature: Faux leather upper  Inside zipper closure for easy on/off Anti-odor insole technology with cushioning, comfort, & support Fabric lining partially made from recycled materials Lightweight, flexible construction moves with you Rubber outsole Approx. 2.25" heel height  Approx. 14.26" shaft height  Approx. 15.4" standard shaft circumference  Approx. 17.3" wide calf circumference  Imported.