Bunker Underwear Heroes Brief Fabric: 95% Modal Rayon, 5% Spandex. Comfortable and very soft pique fabric. Low rise, falls below natural waistline. 3/4'' contrast binding at leg opening. Contrast pouch trim with front space. 1 1/2''laser printed with heat seal logo. Machine wash cold with like colors, tumble dry low, do not bleach, cool iron. Naturally breathable. Bunker Heroes brief is the perfect fit with a funny touch for the days you feel special.