The Jess Slingback Mule western pointy round toe blocked heel gently used pre-owned condition light scuff on heel and toe size 10 The Jess Slingback Mule 1 1/2" heel. Leather upper. Man-made sole. Made of buttery soft leather, these superwalkable low stacked heels have the cool minimalism of a mule and the stay-on-ability of a slingback. The perfect shoes for showing off some cute socks when it's chilly out. Cushiness alert: We've added an extra layer of padding to make them even easier on the feet