Bogs Women's Classic Short Waterproof Boot 100% - Rubber and Textile Rubber sole Shaft measures approximately 6 from arch Boot opening measures approximately 5 around Shaft Height: 6" (size 7) Circumference: 14" (size 7) 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. Outsole: Rubber Upper: Rubber