Product: Levi's Combo Set of Full Sleeves Shirts

Key Features:

 * Fabric: The product is described as a "cotton" shirt, which suggests it is soft, breathable, and comfortable for all-day wear.

 * Sleeve Length: Full sleeves.

 * Design: Each shirt is a solid color with a small red Levi's tab, a signature design element, on the left chest pocket. The shirts have a button-down front and a standard collar.

 * Color Combo: The set includes a versatile range of colors:

   * Top Shirt: Light grey or off-white.

   * Second Shirt: White.

   * Third Shirt: Black.

   * Bottom Shirt: Olive green or khaki green.

This combo set offers a collection of essential, solid-color shirts that are suitable for a variety of casual and semi-casual occasions.