Bulwark Flame Resistant 15.5 oz Modacrylic Zip-In/Zip-Out Liner 88% Cotton, 12% Nylon Made in the USA or Imported Zipper closure Zip-in/zip-out brass Nomex taped zipper track Fully insulated sleeves Zips into zip-in/zip-out jacket Home wash and industrial wash Fabric made of 15.5 ounces quilted Modacrylic fiberfill