Product Details Leather upper Leather lining and footbed Rubber outsole Buckle closure 2 1/4" heel Style No. CM757 Editor's Notes A sporty twist on a classic style, our smooth leather Nikola slingback combines form and function with a comfortable padded footbed and a durable rubber outsole. A sleek day-to-night design, the pointed-toe silhouette is finished with a walkable sculpted heel and our tonal Signature for a heritage touch.