Journee Collection Womens Regular Wide-Calf and Extra Wide Calf Side Zip Buckle Knee-High Riding Boots Faux leather Imported Rubber sole Shaft measures approximately 17 from arch Platform measures approximately .25" This style is available in REGULAR CALF-B(M) US, WIDE CALF-C/D US and EXTRA WIDE CALF Circumference: 16 inches, Wide calf: 17 inches, Extra wide-calf: 19 inches Heel height/type: 1.5-inch block Style: Riding boot Upper/outsole material: Faux leather/ man-made materials