Women's size 4 Medium 100% Synthetic Imported Ethylene Vinyl Acetate sole Shaft measures approximately 6.18" from arch Heel measures approximately 1" Boot opening measures approximately 10.55" around BRING ON THE RAIN: Bring on the rainy days, soggy gardens, muddy trails, and puddly sidewalks. With these Freesail Chelsea rain boots for women, your feet will stay dry while you stay comfy and stylish