Michael Kors Erin Sandal is a leather slip-on that pairs a double strap with a signature logo charm for easy day-to-night styling. Designer ID: Michael Michael Kors. Key attributes: White | Leather | Slip-on | Rubber sole | Polyurethane-blend lining | Double strap | Logo charm | Open toe | Composition & care: Leather | Polyurethane blend (lining) | Rubber (sole)