White Goose Down Montreux duvets and pillows are filled with hypoallergenic white goose down that has been certified under the Zurguard® system. They are guaranteed to hold their shape and insulation ability for years and have been designed to be extremely comfortable with the same fine finishings of all St Genève products. This down is exceptional quality with a loft of 675.DOWN SPECIFICATIONS 675 Loft Canadian processed down Zurguard Certified Hypoallergenic COVER SPECIFICATIONS 300 Thread Count / SoLoft™ 100% Cotton Sateen Cover Fabric woven in Germany Oeko-tex Standard 100 – Class 1675 LOFT WHITE GOOSE DOWN Zurguard Certified to be Hypo-Allergenic Montreux duvets and pillows are filled with hypoallergenic white goose down that has been certified under the Zurguard® system. They are guaranteed to hold their shape and insulation ability for years and have been designed to be extremely comfortable with the same fine finishings of all St Genève products. This down is exceptional quality with a loft of 675.