Breckelle's GEORGIA-35 / Soda WATER Knee High Lace Up Military Combat Boot, Dark Taupe PU - water , 7.5 B(M) US Synthetic Synthetic sole Shaft measures approximately 17 from arch Synthetic upper, synthetic sole Heel measures approx. 1.25", 16.75" shaft, 14.5" opening circumference. Non-skid sole and cushioned footbed.