This is a combo set of four men's pure cotton, full-sleeved shirts from Levi's. The shirts are stacked neatly, with a prominent Levi's brand tag hanging from the top shirt.

 * Brand: Levi's

 * Material: The shirts are described as "pure cotton," which suggests a soft, breathable, and comfortable fabric suitable for various climates.

 * Sleeves: Full sleeves, with a single button on the cuff visible on the lighter-colored shirts.

 * Collar: The shirts appear to have a standard spread collar, a classic and versatile style.

 * Fit: Based on the overall silhouette and how the shirts are folded, they are likely a regular or slim-fit cut, typical for Levi's shirts.

 * Design: The shirts have a solid, plain pattern, making them versatile for both casual and semi-formal occasions. Each shirt features the iconic small red Levi's tab on the left chest pocket.

 * Color Combo: The set includes a well-coordinated palette of colors:

   * Navy Blue: A classic, dark shade that is a staple for any wardrobe.

   * Olive Green/Khaki: A versatile and trendy earthy tone.

   * Light Blue: A timeless and easy-to-style pastel.

   * Mint Green/Seafoam: A light, refreshing color that adds a modern touch.