This Type R, Class 2, CORDOVA SAFETY PRODUCTS-brand COR-BRITE® Modacrylic vest is Flame Resistant/Arc-Flash Rated. It is constructed of hi-vis lime Modacrylic mesh fabric. It features FR hook & loop closure, heat-applied reflective tape, D-ring access, and pockets. Modacrylic fabrics are inherently flame resistant. Safety vests made with modacrylic fabric offer high visibility and protection against arc flash.