FW1999 Prada Ankle Vibram Leather Boots. The FW1999 Prada Ankle Vibram Black Leather Boots are a timeless example of Prada’s innovative approach to blending luxury fashion with practical, durable elements. From the Fall/Winter 1999 collection, these boots showcase a perfect balance of style, craftsmanship, and functionality. Superb boots, so hard to find in this size! Come with its original box. Still in a great overall vintage condition. Marked as size 8,5IT, fits like a size eu9,5eu/us43.