A blue jean jacket, also referred to as a denim jacket, is a timeless piece of clothing that has been popular for decades. While blue jean jacket is the most common phrase used, there are several synonyms that one can use to describe this classic piece. Some synonyms include a denim coat, a jean jacket, a denim blazer, or simply a trucker jacket. These synonyms can help add more variety and texture to your writing, making it easier to describe the garment without sounding repetitive. Whatever term you decide to use, one thing is for sure - blue jean jackets are a wardrobe staple that will never go out of style.