ASICS Women's GT-2000 3 Running Shoe 100% Manmade Imported Rubber sole Shaft measures approximately 2.12" from arch Lightweight running shoe with breathable mesh upper featuring synthetic overlays Heel Clutching System ComforDry sockliner I.G.S (Impact Guidance System) FluidRide midsole Rearfoot and forefoot GEL cushioning system AHAR rubber outsole