Birkenstock Big Buckle Madrid Sandals

Brand new in box, size 40 or ladies 9.5 (though box says 9, 40 equates to 9.5 and that seems accurate for how these fit). They are a gorgeous dark blue ink color- Insignia Blue. I wish they fit, but I bought the wrong size :( they are marked as narrow, but I think they would work fine for a standard foot. Color is no longer available. Retails $140