Bulwark FR Iq Women's Long Sleeve Polo Shirt 69% Cotton, 25% Polyester, 6% Other Fibers Made in the USA or Imported Machine Wash Full side-seam gussets Moisture wicking and breathable HRC2 arc rating ATPV 8.2 calories 69 percent cotton, 25 percent polyester, 6 percent polyoxadiazole