Calvin Klein Women's Bra The stylish and comfortable Calvin Klein bra is a great choice and is one of the most popular Calvin Klein women's products. The bra is without reinforcement. The Calvin Klein bra will guarantee you maximum comfort during your favorite sports or leisure activities. Size chart CALVIN KLEIN - WOMEN BRAS CHEST CIRCUMFERENCE SIZE (CM) XS 60-64 S 65-69 M 70-74 L 75-83 XL 84-92