Special Features : Ron's Exclusive All Day Heels ® technology, including NASA created PORON Cushioning, Ultralight Anti-Slip Rubber Sole Material : Weatherproof Hand Burnished English Calf Skin Shaft Height : 15 1/2 inch /400 mm Shaft Circumference: 15 inch /380 mm Lining : Kid Leather Midsole: Poron Outsole : Ultralight Rubber Sole Shoe Care :Wipe with a damp soft cloth Country of Origin :Made in Italy.