Thong style in a variety of materials with fully adjustable strap and shock-absorbing EVA sole. In-stock colors: Black and Habana leather. Upper material: Oiled Leather - Thick yet supple leathers without additional dyes to keep the leather breathable, durable and comfortable. Footbed: The original Birkenstock footbed - Featuring pronounced arch support, deep heel cup, and roomy toe box. Footbed molds and shapes to your foot. Soft footbed with EVA material - Flexible, lightweight, durable and shock absorbing.