Oil and Gas Safety Supply Men's FR Reflective Long Sleeve Shirt 6.5 oz FR knit: 100% cotton Ratings for flame retardant or flash fire: CAT 2 ATPV 10.6 NFPA 70E NFPA 2112 FR apparel does not require special detergents but you should never use fabric softeners. This may coat the fiber and mask flame resistant performance. It may also serve as fuel in case of combustion. Bulwark FR suggests to pre-treat any stains in the clothing and never use Chlorine bleach, hydrogen peroxide, or starch. You can dry clean this flame resistant garment. Light Weight. Reflective. FR. Flame resistant fabric6.5 oz FR knit: 100% cotton Reflective 3M Scotchlite tape 1 1/2" longer than other t-shirts Ratings for flame retardant or flash fire: CAT 2 ATPV 10.6 NFPA 70E NFPA 2112