This durable duvet is filled with gray duck down. A one-layer duvet with a three-dimensional quilt for warm use. 

This medium thick duvet with a down fill power of 400. It is perfect for use year-round, and it can be used in tandem with another duvet or a thick blanket for the colder months. It is also compact and can be stored away without adding bulk. 

The corners of each duvet have a fabric ring so every corner can stay connected with the MUJI duvet cover.