One fall fashion is taking center stage this year. Turtlenecks are the style staple to fall back in love with, and there are some cute, updated ways to wear them! Gone are the looks of the '90s, we're going full modern! Style & Fashion Contributor Casey Matheny shares how to style a turtleneck for fall. She shares great ways to layer, stack them with a statement necklace, and go monochromatic.