The Look: Emma Watson in Calvin Klein at the Manus x Machina: Fashion In An Age Of Technology Met Gala in 2016.
The Reason: There is nothing you value more than high quality, sensible fabrics. Emma partnered with Calvin Klein on this outfit made from recyclable plastic bottles. What's more, she could wear the black trousers from the set again later. It's neutral shades and smart tailoring speak to your simple style.