Kurt Geiger shoes black satin crystals size 5 Sophisticated and classic black satin with crystals evening shoes from Kurt Geiger. £50.00 Joni by Kurt Geiger is a jewelled black satin sling back with a mid sized heel, peep toe and large square satin covered buckle fastening. Sparkling black and clear crystal jewelled upper Size is Uk 5.(38) Heel is slim and 4 inches high. Gorgeous designer evening shoes.