If you replaced your favorite pajamas with this crew we will understand. The 5.11 Polartec FR Crew offers outstanding comfort plus no-melt and no-drip FR performance. No-melt/no-drip,Highly breathable, NFPA 2112 and ASTM F1506/NFPA 70E compliant, HRC2 ATPV 9.5 cal/cm2, Polartec, Power Dry FR, 6.4 oz, 45% Rayon, 40% Modacrylic, 15% Para-amid, Nomex thread, Imported
