Clarks black leather ankle boot with 55 mm heel and a flexible leather lining with zipper opening. COSMO UP allows your feet to breathe and absorbs shock from the floor as it includes an interchangeable insole with OrthoLite technology. As for her, her durable rubber outsole is flexible and guarantees a good balance of the foot. The COSMO UP model belongs to the Unstructured category at Clarks. This simple and elegant ankle boot is versatile and will naturally match all your looks.