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If you think about it, there are very few pieces in fashion that have stood the test of time quite like the jean jacket. Decade after decade, it remains a go-to favorite, never going out of style.

A reliable year-round layer that blends easily with just about anything in your closet, a jean jacket (or a “denim jacket,” depending on who you ask) is a mainstay of many wardrobes. As the Strategist ...