Indulge in the luxury of the super soft TUNØ duvet, filled with 100% soft European goose down for superior fill power. The charm of this duvet lies in its soft sateen-woven cotton/lyocell (TENCEL™) surface. TENCEL™ is a trademark of Lenzing AG. Lyocell is a natural material often used in sportswear due to its soft feel and excellent moisture and breathable properties.