Ilse Jacobsen Tulip 139 FalconLook fly in the Ilse Jacobsen Tulip 139 in Falcon. We are obsessed with this color, the perfect dark taupe that will look different with what you pair it with. Discover the ways to style this neutral slip on and take on the summer with all the comfort you could ask for. perfect for any occasion practical, very comfortable and has a great appearance flexible outsole made of natural rubber, and upper with laser cut pattern, which makes it breathable the