Smarter sweatshirts (and even sweatpants) have been making regular appearances in the wardrobes of discerning gents recently and for good reason. Good style doesn't have to be so buttoned-up. And this fall, the latest crop of sweats getting our attention are sharp, modern interpretations of the classic pullover. More tailored, with unique design details, they're pieces that easily mix in with the rest of your off-duty kit.