Calvin Klein selects high-quality pure cotton fabric. Each box contains three pieces, available in sizes M XXL. CK modal cotton in sizes M XXL is a hot-selling underwear style, available at major counters in fashion capitals around the world. This underwear showcases the brand's characteristics to the fullest. It features exclusive custom fabric, with more than 95% replication of the original. Available in six colors, sizes range from M to XXL. Made from pure cotton fabric and packaged in a gift box, each box contains three pieces.