Winter-Weight Goose Down Duvet — Extra Warmth, Made in Canada Quick answer: A premium winter-weight goose down duvet, filled and finished in Canada with 550-loft white goose down and a higher fill weight for maximum cozy warmth. It has a 289TC cotton down-proof shell, 12" baffle-box construction, and corner ties. Best for cold sleepers, cold bedrooms, and Canadian winters. WHO THIS IS FOR: Cold sleepers who never feel warm enough Cool/air-conditioned bedrooms and low thermostat settings Anyone who loves the heavier, enveloping "cloud" feel of a substantial duvet SPECIFICATIONS: Detail Specification Fill 550 Loft White Goose Down (winter fill weight) Shell 289 TC 100% Cotton (down-proof) Construction 12" baffle box (prevents shifting) Corner Ties Yes Origin Filled & finished in Canada Care Dry clean only SIZES & FILL WEIGHTS: Size Fill weight Twin/Single 25 oz Double/Full 32 oz Queen 35 oz King 39 oz Cal King (110"×100") 45 oz FREQUENTLY ASKED QUESTIONS How is this different from the all-season and summer duvets?It uses more down for greater warmth. Choose winter weight for cold rooms, all-season for year-round use, or the summer weight for hot sleepers. Will I overheat?Down breathes, but this is the warmest weight — ideal for cold sleepers and cool bedrooms. Hot sleepers should size down in warmth. Does it have corner ties?Yes — corner ties secure it in a cover. Pair with a tie-equipped duvet cover. How do I care for it?Dry clean only; always use a duvet cover. WHY DOWN UNDER BEDDING?Canada's trusted source for premium natural bedding for 30+ years. Free shipping across Canada. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"acceptedAnswer":{"text":"It uses more down for greater warmth. Choose winter weight for cold rooms, all-season for year-round use, or the summer weight for hot sleepers.","@type":"Answer"},"name":"How is this different from the all-season and summer duvets?","@type":"Question"},{"acceptedAnswer":{"text":"Down breathes, but this is the warmest weight — ideal for cold sleepers and cool bedrooms. Hot sleepers should size down in warmth.","@type":"Answer"},"name":"Will I overheat?","@type":"Question"},{"acceptedAnswer":{"text":"Yes — corner ties secure it in a cover. Pair with a tie-equipped duvet cover.","@type":"Answer"},"name":"Does it have corner ties?","@type":"Question"},{"acceptedAnswer":{"text":"Dry clean only; always use a duvet cover.","@type":"Answer"},"name":"How do I care for it?","@type":"Question"}]}