Boxer Briefs by ExOfficio. Details:17 countries. 6 weeks. One pair of award-winning underwear. (Ok, maybe two.) Join the thousands of people who have discovered the ExOfficio travel underwear revolution. Just toss your Give-N-Go‘'s in the laundry or wash them in a sink. Within hours you will have a fresh, dry pair of underwear. Breathable, lightweight, odor resistant and long-wearing, you will toss them into your carry-on for every trip. Soon they will replace every other pair in your underwear drawer.