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Interiors

Down vs feathers: what’s the difference?

Norvegr CEO Nils Stene finds that often people are not sure of the difference between down and feathers, and appreciate more information on the natural temperature regulating properties of down.

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What is down?

Down and feathers are not the same. Everyone can recognise a feather, but down is more of a mystery. 

Feathers make up the rigid plumage on ducks and geese. Each feather is flat - unable to trap air effectively and has little insulation value. The main purpose of feathers in pillows is to provide bulk and support. In duvets, they can reduce the quality of the final product if too many are used. 
 

Down is the soft undercoat beneath the birds’ feathers, found mainly on the belly and breast. It consists of clusters of light, fluffy filaments growing from a central quill point. As there’s no quill shaft, the structure is naturally soft. 

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Each down cluster provides warmth and insulation by trapping thousands of tiny pockets of air within the filaments. At the same time, the down keeps the birds dry by allowing water and moisture to escape from their bodies. No wonder it makes such a wonderful material for duvets. At Norvegr, even our entry-level Classic Collection duvets are just 10% feather. From the next collection and onwards, they are all feather-free.

The more air down is able to trap, the greater the loft (springiness) of the down. With its luxurious feel and superb insulating properties, down is far more highly prized than feathers. It’s also scarcer, as birds produce a great deal more feather than down. This scarcity naturally makes down more expensive. However, the quality of products does vary. So, having decided to purchase a lovely down sleeping set, you need to be aware of the factors that influence the end product. 

If you’re used to a more voluminous, heavy duvet, your first experience of Norvegr may be surprising. Our duvets are unbelievably light. But after a night or two of perfect sleep, you’ll be addicted. Densely filled duvets cannot provide the harmonious balance between warming and cooling that down does. In fact, thicker, heavier varieties are often poor quality, as they’ve been filled simply to add bulk.

Which down duvet should I buy?
When shopping for a good duvet, the key is to always choose the highest fill-power of down you can afford - and then some. Your duvet should be just warm enough, but no more. Norvegr offers each customer a sleep consultation to discuss their sleeping environment to decide their perfect fill-power and weight. 

When purchasing a high-quality down duvet, you should look for a fill power rating of at least 600. Down with a fill power of 800+ (EU) is extremely good. 850 is the highest quality that is consistently available. 900 (EU) and above is the very top end of the scale where you find only non-commercially available down types. Our Premium Plus and eiderdown are such qualities. Norvegr’s entry-level duvet collection is the Classic Collection, with a fill power of 755.

Down: Feather ratio
Also affecting quality is the ratio of down to feather. Confusingly, many duvet and pillow makers on the high street will refer to their products as down-filled even if there’s only a tiny percentage of down. If you want a high fill power, and a lofty, fluffy, temperature-regulating, cloud-like product, the down-to-feather ratio needs to be high. Down-to-feather ratios are generally 70/30, 80/20 or 90/10, with the first number representing the percentage of down and the second indicating the feathers. A higher first number generally means a better-quality product. Down with 700 fill power in a 90/10 mix is going to loft exactly the same amount as down with 700 fill power in a 95/5 mix. The ratio is irrelevant as far as lofting ability is concerned. However, the higher the fill power, the more down and less feather there is. When approaching 800 fill power (EU), the mixes are as close to feather-free as they can be. 

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Norvegr duvets 
Classic collection
, European White Goose, 90% Down Duvet, Fill Power 755,
£698.79 – £3,140.64: https://www.norvegr.com/product/luxury-goose-down-duvet/
Premium collection, European White Goose, 100% Down Duvet, Fill Power 850, 
£812.64 – £3,976.84: https://www.norvegr.com/product/european-white-goose-850-fill-power-100-down-duvet/
Premium Plus collection, Masurian White Goose, 100% Down Duvet, Fill Power 915, 
£1,012.86 – £7,765.24: https://www.norvegr.com/product/masurian-white-goose-down-duvet/
Limited Edition Eiderdown, £3,396.55- £27,628.97: https://www.norvegr.com/product/eiderdown-from-the-island-of-svalbard/

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Norvegr pillows
Standard collection, European White Goose, 60% Down Pillows, Fill Power 500, £141.42 – £357.48: https://www.norvegr.com/product/duck-goose-down-and-feather-pillows/ 
Classic collection, European White Goose, 90% Down Pillows, Fill Power 625, £156.91 £ – £447.19: https://www.norvegr.com/product/duck-goose-down-pillows/
Premium collection, European White Goose, 100% Down Pillows, Fill Power 830, £251.05 – £800.23: https://www.norvegr.com/product/european-white-goose-down-pillows/

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Travel sets
Luxury Travel Bedding Set with Leather Holdall
, £1,711.49: https://www.norvegr.com/product/luxury-travel-bedding-set-with-leather-holdall/

Nils Stene, Norvegr CEO  

norvegr.com
Images by Norvegr

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