Zappos.com is proud to offer the ECCO - Bonn Ankle Boot (Black Leather) - Women's: Create a sophisticated look with the fashion-forward Bonn Ankle Boot. ; Full-grain leather upper with rivet and buckle accents for added detail. Features convenient side zipper for easy on/off. Leather and textile lining absorbs moisture and provides added cushioning. One-component latex outsole provides flexibility and natural shock absorption.