In fact, adding a rumpled linen duvet cover or a shiny sateen one can provide ... I have it in slate blue, a color that I think works like a neutral, and I love the way it looks on our bed ...

I tested the Mineral Blue, and it adds a sophisticated pop ... Its products, including the Linen Duvet Cover, are Oeko-Tex Standard 100 certified, meaning that every element (even buttons!) ...

We spent a combined 96 hours researching duvet covers and testing 16 to find five well-made, comfortable options for a range of climates and tastes. We recommend covers made from cotton or linen ...