Bulwark Men's Iq Series Big-Tall Short Sleeve Comfort Knit T-Shirt 69% Cotton, 25% Polyester, 6% Other Fibers Made in the USA or Imported Hand Wash Arc rating ATPV 8.2 calories/cm132 Contrasting thread color 69 percent cotton, 25 percent polyester, 6 percent polyoxadiazole