Bogs Women's Charlot Waterproof Boot 100% Rubber Rubber sole Shaft measures approximately 4.75" from arch Heel measures approximately 0.75" Shaft Height: 3 1/2" (Size 7.5) 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