It sounds like a soft skill, but it's really not: it requires constant attention, a good memory, and sometimes active training. On the other hand, it means you can come up with the perfect little lunch spot in Napa, or the ideal leather driving gloves, or the most appropriate watch for a wealthy teenager, without straining yourself.
And you tend to recognize what other people are wearing, which makes it easier to decrypt what they're trying to say through their attire.
If there's an area where you'd still like to improve, it's: