Birkenstock Mayari Women's Sandals Black Oiled LeatherFun feminine style with built in support. The Birkenstock Mayari is a casual women's thong sandal with narrow criss crossing toe box straps and two adjustable buckle straps. These Birkenstock Mayari Black Oiled Leather Women's Sandals have the following features: Upper material: Leather Footbed: The original Birkenstock footbed Featuring pronounced arch support, deep heel cup, and roomy toe box. Footbed molds and shapes to your foot Sole material: EVA