These superbreathable no-fly briefs are the minimalist's choice for high-octane endeavors. Now made from fast-wicking, quick-drying 93% polyester (71% recycled) that offers both stretch mesh (for support) and open mesh (for cooling airflow); with 7% spandex. Soft edging at the leg openings and the seamless waist won't roll or create friction against layers. With a smooth front panel for opacity. Recyclable through our Common Threads Recycling Program. Formfitting.