17oz Duck Modified Type III Vest - Brown IH-2526VIH 2526V Iron Heart's "trucker" vest in their super tough 17oz cotton duck, based on a traditional Type III jacket modified with a slightly longer body and side handwarmer pockets. One of the long running Iron Heart essentials. Made in Japan Vest based on traditional Type III jacket 17oz brown cotton duck Two chest pockets with button down flaps Handwarmer pockets, the construction of which creates two internal pockets Interlined placket for extra