These vests are primary pieces of personal protective equipment (PPE) designed to enhance the wearer's visibility in low-light, nighttime, or high-risk work environments.Key FeaturesHigh-Visibility Color: The vest is made of a bright fluorescent neon yellow/lime material that provides a sharp contrast against most backgrounds during daylight.Retroreflective Strips: It features silver-colored reflective tape (typically 2 inches wide) positioned across the shoulders, chest, and waist. These strips catch and bounce back light from vehicle headlights or work lights.Material: Most hi-vis vests like this are constructed from lightweight, breathable 100% polyester fabric, making them comfortable to wear over regular clothing.