Even if you're not a total fan of preppy styles, sweater vests are a must-have and could be the piece your wardrobe is missing. Shop 10 of my favorite picks from Amazon, Nordstrom and Walmart below!

H&M's new season button-up sweater vest will be one of the most hard working pieces in your wardrobe this autumn. Cut in an oversized fit, it's made from a soft rib knit and has a row of gold ...