Ariat is a leader in high performance western apparel Ariat Work FR is a line of flame resistant clothing designed specifically for hazardous work environments. Athletic-inspired design with HRC 2 FR protection for maximum versatility. Meets the HRC 2 flame resistant standard for protection against flash fire or electric arc flare ups on the job. Polartec Power Dry FR- permanently flame resistant superior wicking action keeps your skin dry when you sweat highly breathable dries quickly comfortable next-to-skin. Machine washable.