They might look like denim, but the best men’s chambray shirts—those lightly dyed, usually blue, heirloom-soft button-ups—are actually made of a completely different fabric. Chambray, in fact, is a fabric that has transfixed generations of menswear nerds, for good reason: It’s breathable yet substantial, soft but not floppy, rugged but pulled-together. And yet somehow, it still flies relatively under the radar. You might not even have any in your closet. I’m here to change that.
If…

