Celebrity Style: Keira Knightley in Birkenstock 4 Replies Keira keeps it casual in the Birkenstock Boston Suede Clogs. We’re digging her earthy color palette, but the jury’s still out on the tights/clogs combo. What do you think? Are tights + clogs a fashion Do or Don’t? Source: coolspotters.com More from our blogBirkenstock: Legendary ComfortThe Recess Revolution: Top Picks from KEENYour New Year's Resolution: Explore MoreThe Vampire in Twilight, Robert Pattinson, wore Birkenstock Boston Suede in the set of Remember MeTry Something New This New Year Share and Enjoy Last updated by Shoes at September 24, 2014.