Birkenstock - Kalahari Outdoor. Color Futura Khaki Birko-Flor. Low Stock. On sale for $106.39. MSRP $145.00.. 3.5 out of 5 stars3 left in stock+3Brand NameBirkenstockProduct NameKalahari OutdoorColorFutura Khaki Birko-FlorPrice$106.39MSRP: $145.00Rating4Rated 4 stars out of 5(31)