Birkenstock Milano Sandal with a back-strap is in a variety of materials with fully adjustable straps and shock-absorbing EVA sole. Features Birkenstock's classic suede-lined cork/latex footbed. Thick yet supple leathers without additional dyes to keep the leather breathable, durable and comfortable. 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.