Birkenstock - Madrid - Birko-Flor™ & Birkibuc™. Color Metallic Black Birko-Flor. On sale for $63.64. MSRP $79.95.. 4.5 out of 5 stars+5Brand NameBirkenstockProduct NameMadrid - Birko-Flor™ & Birkibuc™GenderWomen'sColorMetallic Black Birko-FlorPrice$63.64MSRP: $79.95Rating4Rated 4 stars out of 5(692)