Optimized to deliver comfortable performance to travelers and adventurers, this performance underwear will go anywhere in the world with you and return as good as new. ExOfficio’s special Give-N-Go® fabric is lightweight, packable, wrinkle-resistant, moisture-wicking, fast-drying, stain-resistant and treated with bacteria- and odor-fighting Aegis Microbe Shield™. The fabric blend offers protection from UV rays. Carefully constructed to outlast traditional undergarments, these are also easy to wash on the road. Just wash by hand, wring out, lay flat on a towel, roll it up in the towel, apply pressure, then remove and hang dry. Depending on humidity, it will be dry and ready to wear in two to four hours. Get by for weeks in as little as two changes of underwear. Machine washable. Imported. Sizes: S-2XL. Colors: White, Charcoal, Black.