The "Black Stallion Khaki Flame Resistant Work Shirt FS7-KHK" is a specialized work shirt designed primarily for safety in environments where there is a risk of fire or exposure to flames. Here's a description of this specific work shirt:

1. Color: The work shirt is khaki in color, which is often chosen for workwear due to its neutrality and the ability to hide dirt and stains.

2. Flame Resistance: This work shirt is flame-resistant (FR), which means it is made from materials designed to resist ignition and reduce the severity of burn injuries in the event of exposure to flames or sparks. FR clothing is crucial for workers in industries where fire hazards are present.

3. Material: The specific flame-resistant material used in the shirt may vary, but it is designed to provide protection against flames and high temperatures.

4. Design: The shirt is typically designed in a classic work shirt style with a button-down front closure. This makes it easy to put on and take off while offering the flexibility to adjust ventilation.

5. Pockets: It may feature chest pockets with button closures, providing storage space for small tools, pens, or other work-related items.

6. Safety Compliance: Work shirts like the Black Stallion FS7-KHK are designed to meet industry safety standards and certifications for flame resistance, such as those set by organizations like NFPA (National Fire Protection Association) or ASTM International.

7. Sizes: The shirt likely comes in various sizes to accommodate different body types.

8. Comfort: While designed for safety, FR shirts are often chosen for their comfort and breathability, allowing the wearer to stay comfortable in various work conditions.

9. Brand: This shirt is produced by Black Stallion, a well-known brand for workwear and safety gear.