Nicky Hilton's slimming turtleneck dress is a top trend for fall and we found a lookalike for just $29 on Amazon — details!

They also happen to almost exclusively wear turtleneck sweaters. And the way they wear them ... Alex Mill's ribbed sweater ...

All turtlenecks aren’t created equal, though. Keep reading to learn what separates an okay turtleneck from a top-quality design and discover 21 dependable styles for men and women.

Whether you’re on the lookout for a solid addition to your workwear wardrobe, or you fancy finding a new favorite for Friday ...