Bogs Women's Plimsoll Mid Rosie Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 8.75" from arch Heel measures approximately 1.5" Boot opening measures approximately 12.25" around Shaft Height: 8 1/2" Circumference: 13" Fit: This style is available in whole sizes only and tends to run small. If you normally order a 1/2 size it is recommended that you order the next full size up. Insole: EVA Upper: Rubber