Trunks are all about being comfortable and supportive while also allowing you to move freely. Silk trunks are all about reaching this level of happiness. Silk trunks are made to feel silky soft against your skin, but also be supported with a contour pouch, seams and elastic waistbands. Silk is often blended with other fabrics like modal and merino wool even. Some brands opt for 100% pure silk so you are always comforted in your trunks. Silk