TYNDALE MEN’S HEAVYWEIGHT ACTIVE FR JACKET stands up to the demand of cold weather work. Stay warm and comfortable with an 11 oz. FR outer shell comprised of 88% cotton 12% nylon duck and 9 oz. Thinsulate lining. Arc rated 45/CAT 4, this heavy-duty flame resistant jacket features triple needle construction, two large front patch pockets, and rib knit cuffs and waistband to help you fight the cold. As with all Tyndale products this item is proudly manufactured in the USA.