Vans Classic Slip-On Mule Shoes Black/ White Size Womens 7.5 Vans Classic Slip-On Mule Shoes.  Great preowned condition. Very light wear These shoes are a retro model that combines the iconic look of the original Classic Slip-On with the easy on-and-off styling of a mule.  They feature textile uppers, elastic sides for comfort, and the signature rubber waffle outsoles.