"This can replace a scarf in the fall, and gives you a nice, clean, minimal look. Try one at the office with a suit or sports jacket. Just make sure the turtleneck is fine-gauge, and that it rolls over and stays high against the neck—we're not talking about a 'mock turtleneck' here. There are great lamb's-wool versions this season, as well as beautiful cable knit ones like this one from Andrew Nowell.