Birkenstock - Tatacoa Outdoor. Color Futura Khaki Birko-Flor™. $145.00. 3.1 out of 5 stars+2Brand NameBirkenstockProduct NameTatacoa OutdoorGenderMen'sColorFutura Khaki Birko-Flor™Price$145.00Rating3Rated 3 stars out of 5(23)