Women's Birkenstock, Arizona Birkoflor Slide Sandal - Narrow Width. The classic Birkenstock two strap slide for all day comfort in a fresh textured pattern. You'll love this lightweight casual sandal that will only get more comfortable with wear. Birko-Flor - durable, synthetic upper material with a leather-like finish and soft backing Slide on style with double adjustable straps for a perfect fit Soft lined insole keeps feet fresh and dry Pronounced arch support and deep heel cup Footbed molds and shapes to the foot for excellent comfort Manmade outsole Please be advised that the Birkenstock Narrow width accommodates both traditional narrow and medium widths. Regular accommodates Regular to Wide.