Zappos.com is proud to offer the Birkenstock - Boston (Mocha Suede) - Footwear: The 'Boston' from Birkenstock is a classic clog that will add style and comfort to your wardrobe. ; Available in a variety of uppers with a matching adjustable strap for a perfect fit. ; Anatomically correct cork/latex footbed, crafted from cork that is 100% r...