16. The Silk Scarf — Yes, the weather will only continue to get cooler, so make sure you have a pretty silk scarf to bring some color and coziness to your all your fall lineups. And, if you have one from last season that you still love, all the better. 

Mango Silk Scarf, $14.99, available at Mango; Dolce & Gabbana Square Scarf, $335, available at The Corner.