Squarecut men’s swimsuit Men's swimwear made from nylon spandex Machine wash Made in USA California Muscle swimwear style S642 A summer wardrobe staple from California Muscle. This classic squarecut men's swimsuit from California Muscle features a deep blueberry hue with contrast white top stitching for a sporty look that's just waiting to get wet. With a drawstring waist and grommet details, the California Muscle Aegean men's swimsuit offers exceptional-quality construction and superior fit for hours of fun in the sun.