For a limited time, Zappos is offering a huge sale on the most popular Birkenstock models of the year. Currently, shoppers can browse the Zappos website for deals on Uji Nubuck/Suede, Honolulu EVA, Oita – Suede, Gizeh Vegan and Madrid Big Buckle – Nubuck. The deals are only available while supplies last, so if you […]