As we all return to holiday travel and tradition, Concepts and Birkenstock embrace the season with a new quartet of felt-based colorways of the classic Boston Clog. A complementary apparel collection highlights our studied approach to fit and fabrication.

The Concepts Slub Socks (Black) features - 

- Slub Sock
-85% cotton, 13% nylon, 2% spandex
- Made in the USA

SKU: CNB21HO21-1SOCKA-004