Private Structure Underwear Momentum Orange Harness Trunk is made from a smooth cotton fabric that will infuse you with athletic energy as soon as you slip them on. If you’re a sporty-meets-sexy guy, you’ll love these for any occasion–even every day. Elegant color contrast border around the legs and the pouch. Combination of colors. Rear sew and, on the legs, allows a better fit. The pouch is seamed for support and definition. A stripe on mesh fabric on the back.