Birkenstock Boston Clogs Men's US 11-11.5 Concrete Leather Comfort Shoes TZP1083 Description Birkenstock Boston Clogs Men's US 11-11.5 Concrete Leather Comfort Shoes TZP1083. Product Detail • Brand: Birkenstock • Style: Clogs • Department: Men's • Color: Concrete Please message me if you have any questions. I stand by all of my items before and after purchase. Please see my feedback. We do not combine shipping unless it’s at least 7 orders to combine. If you ask us to cancel an auction all the auctions won will be cancelled by that buyer. Thank you.