Bogs Women's Classic Short Waterproof Boot 100% Rubber and Textile Rubber sole Shaft measures approximately 7" from arch Shaft Height: 7" (Size 8) Circumference: 9 1/2" (Size 8) 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