"The Birkenstock Mayari Birko-Flor Toe-Loop Sandals for Women combine classic Birkenstock comfort with an elegant silhouette. Made of acrylic and polyamide felt Birko-Flor, the Mayari's comfortable strap uppers feature delicate straps, buckle adjustment, and toe loops for added comfort. Under your feet, the classic cork/latex Birkenstock footbeds feature pronounced arch support, deep heel cups, raised toe bars, soft suede-leather linings, and roomy toe boxes for long-term, foot-conforming comfort. Flexible, shock-absorbing, and durable EVA outsoles. Imported. Acrylic and polyamide felt Birko-Flor Classic cork and latex footbeds Integrated arch support Suede-leather linings Roomy toe boxes EVA outsolesNote: When determining the size you need to order, keep in mind a Birkenstock ""narrow"" is the equivalent of a medium A/B in US sizing. The Birkenstock ""regular"" is the equivalent of a wide or a US C/D.For more information, view the Birkenstock Ladies Size Conversion Chart"