Product: Men's Casual Shirts Combo Set

Brand:Calvin Klein

Style & Design:

 * Fit: Appears to be a casual, regular or slim-fit style with a standard collar. The shirts are long-sleeved.

 * Fabric: The visual texture suggests a cotton or a cotton blend fabric, known for being soft and comfortable.

 * Colors: The set includes four solid-colored shirts:

   * Dark green (top)

   * White (second from top)

   * Light blue (third from top)

   * Yellow (bottom)

 * Details: Each shirt features a small, open chest pocket on the left side with an embroidered "ck" logo in a contrasting color (black on all shirts except the dark green one, where it appears to be a darker shade of green or black). There is a button-down front with color-matched buttons.

Combo Set: This is a value pack or combo deal featuring four separate shirts in different, versatile solid colors, allowing for a variety of casual outfits.