As a fashion writer, it's my job to pay attention to what people are actually wearing - and airports are one of the best places to spot real-time trends. On my most recent trip to New York City, one style dominated terminals from end to end: matching travel sets. Polished yet practical, they've clearly become the go-to uniform for chic travelers who want to look pulled together without sacrificing comfort. After walking from terminal to terminal, I rounded up the 13 airport outfit styles I saw on repeat.