Maison Christian Louboutin's So Flo running sneaker is a dynamic twist on the iconic Trailnrun sneaker, featuring a signature blend of mesh, laminated calf leather and veau velours. This model has a heel tab, signature silver spikes at the back, and a CL monogram on the side. It is crafted in a silver color and finished with an anatomical heel, padded insole and a rubber sole for bounce and lightness.