Birkenstock Sandals - Birkenstock Milano Sandals - White :: Women > Shoes. Material: Synthetic. cork. EVA Deep heel cup keeps your foot properly aligned Toe grip for added support & comfort Built-in arch support Birkenstock Sandals Birko-Flor upper Back-strap sandal Three adjustable metal pin buckles Shaped cork and latex foot bed Shock-absorbing EVA sole Fit: Narrow fit - Designed for narrow feet