A zip sweater and black skinny jeans are absolute essentials if you're planning a casual wardrobe that matches up to the highest sartorial standards. In the footwear department, go for something on the more elegant end of the spectrum and finish your look with a pair of black leather knee high boots. As you can see, it's extremely easy to look on-trend and stay cozy come colder days, all thanks to outfits like this one.