What is the required dress code for employees at the cave?

The required dress code for employees at the cave is khaki pants, a provided cave shirt, and good walking shoes. This choice is appropriate for several reasons. Firstly, khaki pants offer a balance between comfort and professionalism, ensuring that employees look presentable while engaging with visitors. The provided cave shirt likely displays the cave's logo or branding, promoting a unified appearance among staff members.

Good walking shoes are essential for safety and comfort, especially in a cave environment where employees may be walking on uneven and potentially slippery surfaces. Proper footwear helps prevent accidents and ensures that employees can guide visitors effectively throughout the tour.

The other options do not align with the practical requirements of working in a cave setting, such as the need for safety and uniformity in appearance which are critical in a professional tour guide environment.