4CCCCEES Crunch Time Slingback Platform Derby Oxford - Black Box Calf patent Size 39. Lightweight Gently used. Only worn a few times. Minimal wear. A chunky platform sole boosts a modern derby updated with a signature contrast midsole and a slingback strap. 2" heel; 1" platform Memory foam cushioning Leather upper and lining/synthetic sole Sleek Modern Cushioned