SuedeSuede Upper. Removable Twill Covered EVA Footbed. Durable Rubber Outsole. American Podiatric Medical Association Seal of Acceptance.YOUR NEW FAVORITE SLIP-ONS: Mahalo is positively a must-have. It’s suede leather upper is graced by three layers of drapey ruffles, with double goring for easy access and the best of fit. A natural leather rand will see them forging ahead through fall.EVERYDAY SUPPORT: A podiatrist-designed footbed built to hug your arches in every pair of Vionic sandals, slippers, active shoes and flats.VIONIC SHOES: Vionic brings together style and science, combining innovative biomechanics with the most coveted trends.