This is a high - visibility polo shirt. It is bright yellow, a color that stands out prominently and ensures high visibility. The shirt features a black collar with a three - button placket. There are reflective strips on the sleeves, which are essential for enhancing the wearer's visibility in low - light conditions or at night. These reflective strips can reflect light, making the wearer more noticeable to others, such as drivers. Additionally, there is a small pocket on the left side of the chest. This type of shirt is often worn by workers in industries where safety and being easily seen are important, like traffic control or maintenance work.