Guam Soft Footbed Birkis Guam Soft Footbed This style is especially good for people with sensitive feet. It has a layer of foam under the suede liner. That and the anatomic cork footbed provide long-term support and cushiony comfort. EVA soles are lightweight, flexible & can be replaced when worn. 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.