The Natural Function Long Leg Boxer Brief is made from a mix of sustainable TENCEL® Lyocell fibers and a high quality cotton with high moisture absorption and temperature balancing properties for all day comfort. These long-leg boxer shorts are the perfect addition to your basics wardrobe. In addition, the boxer is perfect to wear during sports because the boxer absorbs moisture. You can also wear these boxers with looser pants, but also with tight pants because of the close fit.