Birkenstock - Tatacoa Outdoor. Color Futura Sky Blue Birko-Flor. On sale for $91.35. MSRP $145.00.. 3.0 out of 5 stars+3Brand NameBirkenstockProduct NameTatacoa OutdoorGenderMen'sColorFutura Sky Blue Birko-FlorPrice$91.35MSRP: $145.00Rating3Rated 3 stars out of 5(26)