Icebug Women's Sorix2-W 100% Leather Synthetic sole Shaft measures approximately 8" from arch Heel measures approximately 1.75" Platform measures approximately 0.75 Action leather & textile PU upper EVA/Insulation sheet/Aluminum insock EVA sheet drop in midsole BUGsole (or) BUGrip carbide tip studs rubber outsole Thinsulate/ Fleece/Membrane