The Ex Officio Men's Give-N-Go Boxer will make all those cotton jobbies in your top drawer obsolete. What's the secret to the Give-N-Go Boxer's performance and comfort' Give-N-Go stretch nylon, spandex blend fabric. The nylon gives these three-inch inseam boxers a silky smooth feel, while the spandex provides a bit of stretch for increased range of motion. These Ex-Officio boxer shorts wick sweat and resist odor, which makes them ideal for long hikes or wearing under your long underwear while skiing. The Give-N-Go Boxers' fabric also dries quickly, so you can hand wash them and hang them to dry when the nearest laundromat is a couple hundred miles away.