Wildland firefighter shirt-jackets are self-extinguishing, they promote fabric charring, reducing the “feeding” of clothing fires. Shirt-jacket has button closure and single-needle topstitching. 3"H collar can be worn down for venting or up to cover the neck. Flaps with hook-and-loop closures hold items in breast pockets. 7-oz. Indura ® Ultra Soft shirt-jacket combines the abrasion resistance of nylon with the comfort of cotton. 6-oz. Nomex ® shirt-jacket provides outstanding heat and flame resistance. Shirt-jacket is NFPA 1977 (2005 Edition), Cal-OSHA compliant and UL listed.Specify Men's chest size: S (34-36"), M (38-40"), L (42-44"), XL (46-48"), 2XL (50-52") or 3XL (54-56"); and style: Indura or Nomex from the drop down box above.