Men’s swim briefs Men's swimsuit made from nylon/spandex Machine wash Made in USA California Muscle swimwear style S638 All signs point to GO. This simple, yet sporty colorblock men's swimsuit from California Muscle is designed to visually enhance your best features. In sleek tones of navy blue and grey, the California Corsica men's swimsuit features a v-shaped design that points down, drawing the eye to your assets. The swim briefs are partially lined to ensure your comfort, whether you're swimming laps or just soaking up some sun. Elastic waistband with drawstring reinforcement.