Birkenstock Women's Arizona 'Narrow Fit' Soft Footbed Black Birko-Flor Sandals (8 US Narrow Fit Women - 39 N EU) Imported Narrow Width "Soft Footbed" (NOT Cork Footbed) Birkenstock Arizona in black with birko-flor upper (not real leather). Birkenstock Women's Arizona 'Narrow Fit' Soft Footbed Black Birko-Flor Sandals (Fits Size 8 US Women or 39 N EU; for narrow feet only). The soft footbed features a foam layer inserted between the cork layer and suede liner of the original birkenstock footbed. Microscopic air bubbles cushion your feet while providing moderate arch support and is made of 100% renewable and sustainable cork. This is a "narrow fit" sandal with "narrow foot icon" (filled in foot symbol) which accommodates both narrow to regular feet (not wide feet).