If ever there’s a trend I like it’s a loosely fitting one, even better if you can make it out of warmish fabric so it’s as much like wearing a nighty as possible. (Sad but true!) Smock dresses are absolutely perfect for this – the whole idea is that they’re oversized and they fit into the 90s grunge revival thing that celebs like Cara Delevigne et al have kicked off. ASOS has lots of smock dresses at the moment in all sorts of fabrics so it’s a great place to go for inspiration.
Smocking is the act of sewing loose parallel lines horizontally across the fabric and then pulling the tails of the thread to gather the fabric evenly. The gathers are then sewn permanently into position and the original lines of thread removed. In this case the smocking is done in the skirt section.