An elegant cross-strap, toe loop sandal with an adjustable strap in a variety of materials. A most popular style and wardrobe basic. Birko Flor - Made of acrylic and polyamide felt fibers, this material is a soft fabric with a smooth leather-like finish. 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.