Thumbs-Up Safety offers a wide selection of work vests including adjustable, breakaway vests, x back vests , DOT vests, traffic, construction, surveyors and electricians vests. Our prices are some of the lowest in the industry for flame resistant, made in USA high visibility safety vests. Visibility requirements for yellow vests or orange worn by people in the workplace such as road crews, construction workers, railroad personnel, first responders and others involved in situations where the visibility is important in regards to safety.