Cash - taupe Here's the deal with the Jeffrey Campbell Cash. You can walk in this 4" heel. Hell, you can stomp in this puppy. Vegan suede for days. Elastic stretchy inserts on each side for easy slip-on All synthetic leather upper All synthetic leather suede line Stacked heel Rubber sole 4" heel 1/2" platform 5" boot shaft Sustainabiity factor: vegan Runs true to size.