RF ROOM OF FASHION Lady's Buckle Knee High Riding Boots Hidden Pocket (Medium and Wide Calf) Synthetic Synthetic sole Shaft measures approximately 15.75 from arch Platform measures approximately 0.25 MEASUREMENT (taken on size 6): Heel height - 1.25"; Shaft Length (not including heel): 15.75"; Top Opening Circumference: 15.5" (Medium Calf). 100% VEGAN MATERIAL: No animals were harmed during the production of these shoes. TPR rubber anti-slip out-sole finished with cushioned insole. Designed in USA HIDDEN WALLET: This boot has a 6 x 3 inch pocket with smart phone and credit card slots hidden on the inner side of the shaft. Slide in also your lipstick or other small items and go purse free. ZIPPER CLOSURE: functional inner full side zip for easy wear.