For a cosy winter, the Calgary warm duvet is filled with our highest-performing duck down, the Legend 1859 down. This natural filling has an exceptional loft power, able to trap a great deal of air to form a highly insulating layer whilst remaining breathable. Perfect for cool winter nights, the Calgary duvet has a fill weight of 250g/m² for gentle yet sufficient warmth, keeping you in a light and comfortable cocoon. What better way to enjoy truly restorative nights of sleep! With its cotton satin cover and high-quality finishes, enjoy its elegance every day throughout winter, whether on a single bed or the largest of double beds. A durable and responsible purchase, made in France at our Saint-Sever sewing workshop. • Filling in natural white Pyrenean duck down, Legend 1859, 250g/m² • 90% down, 10% feathers • TOG (warmth rating): 13 • Made in France • 150-thread/cm² satin fabric, 100% white combed cotton • Square quilting with baffles • Cassette finish • Double grey satin piping • Single-dose laundry detergent bottle to dilute All our natural-fill duvets carry a 5-year guarantee.