The ExOfficio Give-N-Go Sport 2.0 6 Inch Boxer Brief 12416718 gives you comprehensive breathability with field-tested performance tech that's more powerful than previous version with the ability to rapidly wick sweat, control odor, and allow you to move freely with multi-drectional stretch. ExOfficio's Give-N-Go Sport 2.0 6 Inch Boxer Brief is made of polyester/spandex.