Cup Bras & Bralettes Galore! Since the 1960s, Calvin Klein has been reimagining the basics... and making them basically irresistible. This collection of CK bras are equal parts seduction and signature lace-trim, featuring every intoxicating style you can imagine -- and in colors that sizzle and smolder. With a cool, casual minimalism, Calvin Klein bras offer the utmost in comfort, confidence, and big-time sensuality.