Shackets, a mix of shirt and jacket, is THE fashion trend in autumn. How to style trendy shirt jackets: 4 suggestions we have not committed ourselves. Shacket is the combination of the words shirt and jacket. A shirt jacket is meant. Sounds half as fancy, doesn’t it? Hence the new name for the megatrend of autumn. The cozy shackets are currently the most popular fashion items. As soon as a new model hits stores, it sells out in no time. We’ll show you different variants and reveal how you can stylishly combine shackets.