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 Felt Logo Sweatpant (Heather Grey) features 

- Concepts-exclusive Classic Fit
- 19.5oz / 380gsm cotton
- Antique silver Concepts hardware commemorates 25th anniversary
- Concepts Jubilee Multi-Layer Felt Applique
- Elastic leg opening
- Relaxed oversized fit 
- Made in the USA

Style code: ConceptsFeltLogoSweatpantHeatherGrey