Thyme Synthetic Rubber sole Shaft measures approximately 3.5" from arch Calf leather upper Molded PU foam/ 4 mm EVA midsole with 6P fabric+3mm K503 Foam+Arch Cookie(N8-2)+1.5mm Grey Board+1.25mm Texon Steel Shank Pig skin sock lining + upper leather heel patch Injection EVA outsole with TPR Insert