Jockey Men's Underwear Microfiber Performance Boxer Brief 80% polyester/20% spandex. Machine wash and dry. Imported. Style 8040 get real performance with our microfiber performance boxer brief boxer brief's contoured H-fly provides a no-gap support and a custom fit sport underwear's microfiber fabric wicks away moisture, keeping you cool and dry odor control technology allows you to stay confident and comfortable