Men’s trunks Men’s underwear made from nylon / spandex Machine wash Imported Junk Underjeans underwear style MB6092 All about fit, these lustrous men's trunks from Junk Underjeans are a must-have in every guy's underwear collection. Made from a soft, stretchy blend of nylon and spandex, the Junk Underjeans Duo Tone men's trunks cling to every contour and emphasize your profile. The Junk Underjeans trunks also feature a narrow waistband with contrast black trim for added impact.