Unfortunately, most major fashion brands have really dropped the ball lately on actual insulation specs. Youre mostly paying for the logo. For Chicago, you need at least 650 fill power or high-denier synthetic insulation to block that wind. Cyber Monday is usually just a hype machine, but you can find actual technical value if you look at the data instead of the marketing.

• Columbia usually does 30 percent off. Look for the Columbia Landroamer Down Parka 650 Fill Power since it actually uses Omni-Heat Infinity tech.
• REI Co-op brand is your best bet for the $200 limit. The REI Co-op Stormhenge Down Hybrid Jacket 850 Fill is often discounted, tho the waterproof membrane isnt as breathable as I wanted.
• Avoid Uniqlo for this specific trip. Their ultra light stuff is basically just a mid-layer, not a real parka for negative temps.

Regarding what #1 said about how brands have "dropped the ball lately on actual insulation specs," i totally agree. I learned that lesson the hard way during a freezing weekend in Madison where my fancy designer coat felt like wearing a wet paper towel. For $200 on Cyber Monday, you can actually get technical gear if you skip the fashion labels. Eddie Bauer usually does a massive 50% off sitewide sale that brings their heavy hitters into your price range.

• Eddie Bauer Superior Down Parka 650 Fill Power
• L.L.Bean Baxter State Parka 650-Fill Down The key is looking for a parka with a TEK or WeatherEdge rating. It doesnt matter how much down is inside if the wind cuts right through the fabric. Stick to the legacy outdoor brands during the holiday sales and youll stay way warmer than anything from a mall brand.