Bogs Women's Charlot Garden Chukka 100% Rubber Rubber sole Shaft measures approximately 4" from arch Heel measures approximately 1" Boot opening measures approximately 9" around Waterproof Aegis anti-microbial lining for odor protection Perforated insoles and non-slip outer soles provide superior comfort and fit Four way stretch inner bootie that doesn't need breaking in Unconditional satisfaction guarantee