Birkenstock Boston SFB for Women - Black SuedeBirkenstock has become a household name, with many of their styles having their moments of viral fame and inspiring countless copycats. Rightfully so, because almost no one in the slide game has the comfort and quality for that price point. The Boston clog is a classic, offering close toed protection from the elements in soft suede complemented by an equally soft footbed. Color: Black Fit: True to big half sizes size down