Journee Collection Womens Regular Sized and Wide-Calf Knee-High Riding Boot Faux leather Imported Shaft measures approximately 16 from arch Platform measures approximately .25" This style is available in REGULAR CALF-B(M) US and WIDE CALF-C/D US. Circumference: 15.5 inches, Wide Calf Circumference: 18 inches Heel height/type: 1-inch stacked block Style: Inside Zip Faux leather upper/man-made outsole