Women's Birkenstock Florida Soft Footbed - Sandcastle (NARROW) Women's Birkenstock, Florida Soft Footbed Sandal - Narrow Width. An extremely comfortable triple-strap sandal with fully adjustable straps. You'll love the cushion, support and fit of this Birkenstock classic. DETAILS: Nubuck upper Slide style sandal for an easy on and off with three adjustable buckle straps Classic suede-lined cork-latex footbed for added comfort Pronounced arch support and deep heel cup for proper foot alignment Lightweight, shock-absorbing EVA outsole Birkenstock is committed to environmentally friendly operations. We constantly work to improve production processes, products, packaging and logistics.