Bulwark Men's Flame Resistant 6.5 Oz Nomex IIIA Team Jacket, Navy 88%cotton, 12% nylon Made in the USA or Imported Zipper closure Separating, heavy duty, Nomex taped brass zipper Nomex rib knit collar Cuffs and waistband Home wash and light soil wash Arc rating EBT 57.8 calories/sq cm