Welcome to The Blueprint, where we break down the celebrity looks we want to wear right now and build them back up, piece by piece.

The ultimate fall outfit comes down to a few things: an autumnal color palette , warm fabrics, and layers. And Kate Middleton ’s outfit during a surprise visit to Northern Ireland includes all of those elements and more.

During a trip to Mallon Farm with Prince William , the Princess of Wales mastered fall style with a black turtleneck , a cardigan, and a utility jacket. She wore the layers with a warm take on the skirt style we keep spotting on celebs like Gwyneth Paltrow and Katie Holmes : a wool midi. And her boots are not only practical, but they’re also in chocolate brown , a.k.a. the “it” color this season.

Kate has relied on utility j

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