Ariat Men's Big and Tall Flame Resistant Polartec 1/4 Zip Baselayer 45% Rayon, 40% Modacrylic, 15% Para-Aramid Imported Machine Wash Winner of the polartec 2014 apex award for product performance innovation Ariat moisture movement technology draws moisture out for quick evaporation, keeping you dry and comfortable Extended inseam construction improves range of motion so cuffs don't ride up and shirt stays tucked in Hazard risk category HRC 2 NFPA 2112 NFPA 70E ATPV 95