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Prioritize rest with the Prima Ultra Down Duvet. A smooth, downproof cotton shell in a refined damask stripe surrounds ethically sourced European white down, certified to the Responsible Down Standard. With a lofty 625 fill power and partitioned construction, it cushions you in cloud-like softness while helping the fill stay evenly distributed. Ultra-Fresh antimicrobial treatment helps keep the duvet fresh and odour-free, and double-stitched satin cord piping reflects meticulous finishing backed by a lifetime guarantee. Purchase this duvet for elevated comfort and lasting freshness night after night.
- 320 thread count — Downproof 320 thread count shell provides a smooth feel while helping keep the fill securely contained for lasting comfort and minimized leakage over time.
- Even-fill stability — 15" baffle-box construction reduces shifting so loft stays uniform across the duvet, supporting steady warmth and a more consistent night’s sleep.
- Gentle on sensitivities — Hypoallergenic design supports a cleaner sleep environment, offering added peace of mind for those who prefer bedding with reduced irritants.
- Versatile sizing — Twin 64" x 88" (32 oz), Double 80" x 90" (40 oz), Queen 92" x 96" (45 oz), King 108" x 96" (52 oz) to suit your bed and preferred weight.
- Care made simple — Dry clean only maintenance helps preserve structure and performance, keeping your duvet looking and feeling its best with proper care.
- Responsible Down Standard certified
- Shell: 100% silky cotton / damask stripe / downproof / 320 thread count
- Fill: European white down / 625 loft
- Hypoallergenic
- Ultra-Fresh patented antimicrobial treatment that preserves freshness and eliminates odours
- Lifetime guarantee
- 15" / 38.1 cm baffle box / satin cord piping / double stitched
- Twin: 64" x 88" (32 oz)
- Double: 80" x 90" (40 oz)
- Queen: 92" x 96" (45 oz)
- King: 108" x 96" (52 oz)
- Dry clean only
Prima · Down comfort, thoughtfully made
Prima Ultra Down Duvet
The difference is in the details you settle into.
Lofty European white down, a silky cotton shell and carefully partitioned construction work together to create an inviting layer of comfort. From the subtle damask stripe to the neatly finished edges, Prima Ultra brings softness and considered craftsmanship to your bed.
Comfort, layer by layer
Three details that make the difference
Softness with substance
European white down with a 625 loft rating gives the duvet its full, inviting feel. It is the filling at the heart of Prima Ultra’s softness, complemented by a smooth cotton shell rather than a synthetic outer fabric.
A smooth cotton finish
The 100% cotton shell pairs a silky feel with a subtle damask stripe. Its 320-thread-count, downproof construction helps contain the filling, bringing together a refined finish and a practical purpose in the fabric surrounding the down.
Freshness built in
Ultra-Fresh antimicrobial treatment helps preserve freshness and control odours. Alongside the duvet’s hypoallergenic specification, it adds another considered detail to its construction, while proper cleaning and attention to the care label remain part of looking after your bedding.
Responsible Down Standard
Comfort with considered sourcing
The Prima Ultra Down Duvet is Responsible Down Standard (RDS) certified and filled with European white down.
RDS focuses on animal welfare in the down and feather supply chain. It promotes practices that respect the humane treatment of ducks and geese, helping shoppers make more informed choices about the filling in their bedding.
For Prima Ultra, this sourcing certification sits alongside the tangible comfort details: 625 loft, a downproof cotton shell and baffle-box construction.
GOOD TO KNOW
Prima Ultra Down Duvet FAQs
What does 625 loft mean?
Loft, also called fill power, describes how much volume the down occupies relative to its weight. Prima Ultra has a 625 rating. This is different from fill weight, which ranges from 32 oz in Twin to 52 oz in King, and is not a standalone temperature rating.
How do the baffle boxes help keep the fill in place?
The 15-inch compartments limit how far the down can move through the duvet. This helps reduce shifting and keeps the loft more evenly distributed rather than letting the filling migrate freely from one end to the other.
Is the duvet hypoallergenic?
Yes, Prima Ultra is specified as hypoallergenic. It contains European white down, so anyone with a known sensitivity to down should consider their individual needs. Hypoallergenic does not mean that a product is guaranteed to be free of every possible allergen.
What does Ultra-Fresh treatment do?
Ultra-Fresh is a patented antimicrobial treatment that helps maintain the duvet’s freshness and control odours. It does not replace cleaning or the care instructions on the product label.
Can I machine wash the Prima Ultra Down Duvet?
The product-specific care guidance states dry clean only. Check the sewn-in label on your duvet before cleaning; do not machine wash unless that label explicitly permits it.
What size duvet cover should I choose?
Match the cover’s stated measurements as closely as possible to your duvet. For example, the Queen duvet measures 92″ × 96″ and the King measures 108″ × 96″. Cover dimensions can vary even when they share the same size name.