With its fusion of function and fashion, the jean jacket has become a multifaceted and timeless staple of men’s wardrobes.

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.

A rugged jacket is the perfect layering piece for any man, giving him an instant timeless appeal. The two best kinds are ...