Carhartt durability, now in a boxer brief. Made from 4.5 ounce, 95 percent polyester, 5 percent spandex lightweight knit this brief has the Carhartt force fabric with fast dry technology that wicks away sweat, it fights odors, has a fit that is more supportive and closer to the body, has four-way stretch for added mobility and a gusset at inseam for comfort and easy movement.