Birkenstock - Madrid - Birko-Flor™ & Birkibuc™. Color Metallic Black Birko-Flor. On sale for $79.95. MSRP $89.95.. 4.5 out of 5 stars+5Brand NameBirkenstockProduct NameMadrid - Birko-Flor™ & Birkibuc™GenderWomen'sColorMetallic Black Birko-FlorPrice$79.95MSRP: $89.95Rating5Rated 5 stars out of 5(689)