The Insider Picks team writes about stuff we think you’ll like. Business Insider has affiliate partnerships, so we get a share of the revenue from your purchase. There are plenty of good looking winter coats out there, but finding one that will also keep you from freezing this winter should be your number one priority. Brands like Patagonia, L.L.Bean, The North Face, Columbia, United By Blue, and more are known for creating heavy-duty jackets to keep you warm without sacrificing your sense of style. While shopping, keep in mind that fill power is an important indication of warmth. Ranging from 450 to around 1,000 for apparel, fill power measures the fluffiness and volume of the down. Jackets with a higher fill power (fluffier down) can trap more air, which means they’re more capable of insulating. Whether you’re looking for a coat that’s filled with goose down, bison down, lined with sherpa, or features a fur-trimmed hood, you’ll find it here. The Patagonia Fitz Roy Down Parka can definitely get the job done this winter. It uses a 100% nylon Pertex Quantum fabric with a durable water repellent finish and 800 fill power Traceable Down to make for a ...