This Riggs boot is a brown plaid, square-toe, just-under-the-knee style with a leather upper, plaid textile lining, and vegan leather sock. The sole is synthetic. Heel height: 1.75". Shaft measurements: size 6 is 13.25" tall with a 14.57" circumference; size 8 is 14" tall with a 15.51" circumference; size 10 is 14.75" tall with a 16.44" circumference. For accurate sizing, measure your bare calf at its widest point with your foot flat on the ground. Imported.