For a casual ensemble with a modern twist, consider wearing a turtleneck and a tobacco mini skirt. Now all you need is a pair of dark brown knee high boots.
Dark Brown Knee High Boots with Turtleneck Outfits In Their 20s
This combo of a turtleneck and a brown check pencil skirt couldn't possibly come across as anything other than ridiculously chic and sophisticated. Dark brown knee high boots look perfectly at home with this getup.