United States Air Force USAF Military Jumpsuit MIL-C-25786 Flying Coverall Mens Medium-Regular. This coverall is insulated 30% wool 70% rayon. In fairly good used preowned condition. Please see condition issues below. All zippers work well. There is an attached hood inside collar. Condition issues found on this coverall are 2 oil stains on front as shown in photos. Also a 2 frayed area near upper arm seam on back also shown. Thanks for your interest.