Bulwark Flame Resistant 9 oz Twill Cotton Excel FR Zip-In and Zip-Out Jacket, Navy FR Cotton Made in the USA or Imported Zipper closure Separating, heavy-duty Nomex taped brass zipper Lined collar with center stays Banded waist, button-close tabs When worn with zip-in sleeved liner, ensemble arc rating is 61.3 calories/cm2 Arc rating ATPV 10.6 calories/sq cm