Home > Outerwear > 3600 – Advantage 3600 – Advantage 3600 – Advantage 3-IN-1 SYSTEMS JACKET 3-in-1 jacket, micro poplin shell with nylon lining, double entry pockets, zip-thru collar, inner, zip-out vest of micro polar fleece. Union Made in USA. Sizes: S-5XL navy 3601, black 3605