Bogs Women's Classic Rose Garden Mid-W 100% - 55% Rubber/45% Neoprene Imported Rubber sole Shaft measures approximately 8" from arch Heel measures approximately 1" Boot opening measures approximately 12.5" around Durable hand lasted rubber with four way stretch inner bootie Insulated with 7 millimeter neoprene Dura fresh lining activates to fight odors Max-wick moisture wicking lining Comfort rated to -40 degrees fahrenheit or -40 degrees celsius