Sanuk Women's Pony Up 100% Suede Rubber sole Shaft measures approximately 13 1/2" from arch Heel measures approximately 3/4" Platform measures approximately 1/2" Boot opening measures approximately 13" around High Rebound EVA Footbed with AEGIS Antimicrobial Additive Handmade Suede Upper with Donny Fabric Accent "Chill" Synthetic Fur Liner Happy U Outsole