- RARE- Zimmerli's Brand New and Incomparable Certified Sea Island Cotton Closed Fly Boxer Brief
- Made in Switzerland
Certified Sea Island is the rarest and most expensive cotton in the world. Characterized by the softest Extra Long Staple yarns with a touch more body than any other E.L.S. cotton, Sea Island is grown only in the optimal conditions of the West Indian Carribean islands. This best-of-the-best constitutes only 0.0004% of the world's cotton!