It's hard to think about fall fashion essentials and not think about plaid. It's a feel-good print that serves major points in the festive department (think pillows, pajamas, and button-downs). And right now Old Navy has more plaid to shop than you can dream of, in a slew of different silhouettes, too. Want to wear a fitted one tucked into a mini skirt? You can! Wear it unbuttoned over relaxed jeans while you're hanging at home? Do that too! Check out some solid styling inspiration, plus flannel pieces you can score right now. The ultimate fall essential is making a comeback.