Radians SV59Z Type R Class 2 Heavy Duty Surveyor Safety Vest is a heavy duty contractor Surveyor's vest with zipper closure and large back "plan" pocket. Built with rugged ANSI 107 hi-vis material, reinforced wear points, and long-wearing web reinforcement along outer edges. Mesh upper, front and back, for breathability and comfort. Pockets in tough woven twill fabric provide maximum durability.