Birkenstock - Madrid - Birko-Flor™ & Birkibuc™. Color Metallic Copper Birko-Flor. $89.95. 4.5 out of 5 starsBrand NameBirkenstockProduct NameMadrid - Birko-Flor™ & Birkibuc™ColorMetallic Copper Birko-FlorPrice$89.95Rating5Rated 5 stars out of 5(687)