High visibility surveyor boonie hats allow you to stay visible in work areas while keeping the sun out of your eye and face while you work. Bright colored surveyor safety hat features a wide brim with vents to keep workers cool and an adjustable chin strap and reflective tape. Great for surveyors or lawn care workers especially working in state contract lawn maintenance around highways or traffic shoulder areas. The chin strap also allows the user to secure the boonie hat around the neck area while not wearing it. The hi vis ranger cap is a perfect compliment to other safety supplies such as safety glasses and yellow or orange safety vest.