A classic blue denim jacket is the reliable piece that never goes out of fashion because it is fundamentally just a very good denim jacket. The blue should be true and proper rather than anything that leans too far towards purple or grey. The denim needs genuine weight and a solid weave that feels substantial in your hands. The silhouette is straightforward with the button front and functional chest pockets. Classic blue denim works with everything from other denim to tailoring to dresses. A classic blue denim jacket is the piece that earns its place by simply being very good at what it does.