Birkenstock - Kalahari Outdoor. Color Futura Black Birko-Flor™ 1. $145.00. 3.6 out of 5 stars+2Brand NameBirkenstockProduct NameKalahari OutdoorGenderWomen'sColorFutura Black Birko-Flor™ 1Price$145.00Rating4Rated 4 stars out of 5(32)