High visibility jerkins are sleeveless vests made of fluorescent material, designed to make the wearer easily visible in low-light conditions. They are commonly worn by workers in industries such as construction, road work, and warehouse operations where there is a risk of accidents due to low visibility. High visibility jerkins are typically made of lightweight and breathable materials such as polyester or mesh fabric, and feature reflective strips or tape for added visibility. They are available in various styles and colours, including yellow, orange, and red, and often come with pockets and zippers for added convenience. High visibility jerkins are an essential safety item for workers who need to be seen and stay safe on the job.