Arizona Papillio Arizona As one of Birkenstock's original designs, this easy-wear slip-on comes in a variety of colors and materials. The contoured cork footbed provides great arch support and a deep heel cup and slightly flared heel add stability. Zurich Birkenstock Zurich One large strap across the foot of this franciscan style gives you more foot coverage yet the two buckles adjust to most size feet. A classic original Birkenstock style, still popular today. Contoured cork footbed provides great support and comfort.