Madrid by Birkenstock is a flip flop sandal with a simple single adjustable buckled strap. The Cork and Latex foot bed is contoured to the shape of a healthy foot working with the mechanics of the foot to improve circulation, support and weight distribution. So you can go out knowing your fashionable yet healthy at the same time. Available In: Black, Blue, Brown, Green, Khaki, Metallic, Multi-Coloured, Orange, Pink, Purple, Red, White. Material: others. Upper: synthetic. Lining: leather. Sole: synthetic. Heel Height: -.