Nobody's Child Women's Pure Cotton Denim Mini Smock Dress - 8 - Blue - Available at M&S

This denim smock dress from Nobody's Child is crafted from pure cotton for excellent breathability. It's designed in a comfortable relaxed fit, with an elegant round neck and long sleeves. A swishy A-line skirt brings fullness and airiness, while a row of metal buttons runs neatly down the front.