One of the most underrated details in clothing: two-way zippers! My go-to way to style it is to unzip it just to the waistline. Here are some two-way zipper styles I love right now:
in a bomber jacket, love these colors (and $149)
in a lounge sweater, I have a similar one by this brand and wear it at home all the time
in a rain jacket. I have this in brown and wear it for my walks
in a wool blend jacket. the collar is very on trench
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Jacket (more than 7 years old by Loro Piana; similar here for less)
Skirt (found on sale here; similar in a-line here, and similar pencil style here)
Purse and shoes (Hermes)