The Arizona - NARROW FIT The Arizona style has become a symbol for the Birkenstock brand world wide. Whether at work or recreation, this versatile classic Birkenstock is a favourite. The Arizona has for years been one of our most popular models of sandals worldwide. The variety of available materials and colours make the model a sandal for all walks of life. Premium Materials Every pair of Birkenstocks is made from the highest quality materials. Birko-Flor Upper / Classic Footbed - Suede Lined Birko-Flor is the Birkenstock trade marked synthetic leather. It is a skin friendly, easy care fabric. Clean with a damp cloth. The essence of all our shoe models is the original BIRKENSTOCK footbed, which is inspired by the natural imprint of a foot in the sand and feels just like walking barefoot. Its anatomical shape ideally supports the natural walking action of your foot. Your feet, joints and back are protected. At the same time, your foot and leg muscles are exercised, and your health and well-being benefit as a result.