Santana Canada Women's Andrea Leather Boot Leather Synthetic sole Shaft measures approximately 16.5" from arch Heel measures approximately 1.75 inches" 1 3/4" heel (size 9). 15 1/2" boot shaft; 15"-16" calf circumference (stretches to fit calf). -20 temperature rating. Leather and elastic upper/wool-blend textile lining/TPR sole. Side zip closure.