Gentlemen, a nip is in the air. And while jackets of the jean, bomber and hell, even straight variety are all well and good for keeping a fella toasty, none affords you the sort of gentlemanly, scholastic air provided by the trusty blazer. A good blazer is suit lite: dressed up, but relaxed dressed up. Herewith, the six types you should be keeping an eye on this season, our recommendations for each, and a couple pairing suggestions to boot.