Birkenstock Womens Mayari Sandal Magenta Purple Nubuck Size 36 Leather Upper material: Patent Birko-Flor Made of acrylic and polyamide felt fibers a durable fabric with a smooth high gloss finish and soft lining 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 - Flexible lightweight durable and shock absorbing