The SA22075 t-shirt and polo shirt series from Dickies is a line of yellow high-visibility clothing designed for safety and enhanced visibility in various work environments. These shirts are commonly found in industries where workers need to be easily spotted, such as construction, transportation, and utility work. They are particularly useful in low-light conditions or areas with poor visibility.

If you're working on projects that require compliance with OSHA or other workplace safety regulations, these shirts can help meet visibility requirements. One thing worth noting is that they offer a balance between high visibility and comfort, making them suitable for extended wear without causing discomfort. Engineers tend to reach for this type of apparel when they need to ensure they are visible while still maintaining a professional appearance.