Product Type: Men's Casual Shirt

Brand: Tommy Hilfiger

Key Features:

 * Color: Dark olive green, also referred to as military green or forest green. The color appears solid and consistent throughout the fabric.

 * Material: The user's query specifies "pure cotton," which aligns with Tommy Hilfiger's reputation for using high-quality natural fabrics. Pure cotton is known for being breathable, comfortable, and durable.

 * Sleeves: Full-length sleeves with buttoned cuffs. The cuffs are simple and appear to have a single button.

 * Collar: Classic button-down collar, which is a common style for casual and smart-casual shirts.

 * Pockets: A single, open patch pocket is located on the left side of the chest.

 * Logo/Branding: A small, embroidered Tommy Hilfiger flag logo is visible on the edge of the chest pocket. This is a signature detail for many of the brand's products.

 * Closure: Full button-down front with what appear to be simple, dark-colored buttons that blend in with the shirt's fabric.

 * Style: This shirt is versatile and can be worn for a smart-casual or a slightly more dressed-up look. It pairs well with jeans, as shown, as well as chinos or trousers. It's a classic wardrobe staple that can be dressed up or down for various occasions.