My Amazon fashion wishlist is getting dangerously long, and the retailer’s latest fall arrivals are entirely to blame. I keep stumbling across sweaters, matching sets and lightweight jackets that look far more expensive and fashion-forward than their Amazon origins suggest. Better yet, so many of them solve that awkward seasonal dilemma of what to wear when fall is here, but winter is quickly approaching. I found 17 pieces worth wearing through both seasons, including creamy knits for chilly days, striped knit sets, cool plaid jackets and even a pair of polka-dot barrel jeans. There are pieces...