The SV59-3 Class 3 Heavy Duty Surveyor Vest is a Contractor Surveyor’s vest with large back “plan” pocket. Built with rugged ANSI 107 HiViz material, reinforced wear points, and long-wearing web reinforcement along outer edges. Mesh upper and sleeves, front and back, for breathability and comfort. Pockets in tough woven twill fabric provide maximum durability.