Adorn your little boy with the best-selling swimwear from leading brands and save up to 80% when you shop through TopOfStyle. Calvin Klein Inc. is an American fashion brand that was set up in 1968. It was established by the popular fashion designer Calvin Klien. Lifestyle and home accessories, watches, fragrances, and more. Black is the deepest shade in the color spectrum. Don’t go just plain. Choose from Solid and Colorblock types of Calvin Klein Black Swimwear for boys.