Get a comfortable fit underneath your clothes with spandex underwear from Overstock.com. Classic briefs are a great choice for a smooth look under business suits or evening wear, while looser boxers help you stay cool in casual outfits. Boxer briefs offer the smooth lines of briefs with the longer legs of boxers to help reduce chafing during active sports and outdoor adventures. Spandex undershirts provide a smooth foundation under tailored dress shirts or fitted tees. If comfort is your priority, check out boxer trunks and long johns from Slix for extra support and a soft, microfiber waist band. Compression bodysuits, shorts, and pants from Insta Slim help you get a lean profile for special occasions. With top brands such as Hanes and Champion, this collection has styles to meet any need.