There are many reasons why longline cardigans deserve a place in your seasonal wardrobe. For one, the style provides more coverage with its extra fabric. Read: The more fabric, the warmer you'll be. Besides the practicality, longline cardigans have a way of completing an outfit and making you look much taller. Want in on the trend? Keep scrolling to find fall picks that transition well into winter. The longline cardigans we found give off chic, rich mom vibes without spending more than $17.