5.11 Tactical #36107 WoMen's A Class NFPA Fire Resistant FR-X3 Long Sleeve Station Shirt (Fire Navy) cotton 5.5 oz Poplin - 88% Cotton/12% Nylon Milliken Amplitude Certified to NFPA 1975-2009 Standard Wrinkle, Shrink and Fade Resistant Concealed snap front placket Stitched in creases