Cool, ultralight ExOfficio boxer briefs with moisture-wicking fabric that features state-of-the-art odor protection. Breathable, moisture-wicking blend of 94% nylon and 6% spandex. Machine wash, line dry. Pack down small so they won't take up a lot of space in your luggage. Nylon/spandex blend offers stretch and comfort. Just give them a quick wash in the sink and hang to dry; they'll be ready to wear in a few hours. Treated with Aegis Microbe Shield to resist odor-causing bacteria. Imported.