Your frequently asked questions.

You’re about to purchase some beautiful Superior Slumber bedding. But, like any sensible person, you have a few questions you’d like answered first. We’re here to help. Below are the most frequently asked questions about our bedding products. If you have a question that isn’t there, please contact us at: info@superior-slumber.co.uk and we’ll do our very best to answer your query.


What is Feather?

Feathers are the outer coating of any bird. They keep the bird warm and dry and enable it to fly. And, in the case of Geese and Ducks, their feathers provide the filling for our products. Ethically and harm-free, of course.

What is Down?
Down is the next layer down, after the feathers. It’s light, fluffy and grows mainly on the underbelly and the breast, adding additional insulation. Before their feathers grow in, young birds are covered only in down.

What are Clusters?
A Cluster is a single unit of down. In appearance, it’s similar to a Dandelion head. Being down, it’s soft and fluffy and, the bigger the cluster, the better quality the down is. Which are the ones we use in our bedding, of course.

Why is Down superior for Bedding?
We use down in our bedding for a number of reasons. Down is the lightest, yet warmest, natural insulator available. It has the added benefit of generating warmth as it expands, yet with minimum weight. Down actually moulds itself to the shape of the sleeper, which naturally excludes any draughts. And down absorbs body moisture, keeping it away from the body, so you remain cosy and warm under your duvet.

Should you buy Goose or Duck Down?
It really is a matter of your own preference. The difference is mainly in the size of the down. Geese are bigger birds, so naturally provide larger down clusters. But, because the clusters are mostly air, the duvets they fill are light, yet warm. And, because Goose down is also very robust, the duvets can last longer too. However, because Duck down is smaller, more clusters are needed to fill a duvet. This creates a light, fluffy and slightly heavier duvet, which you may prefer.

What is Fill Power?
Fill Power is simply the measure of the fluffiness of down bedding that indicates how well it insulates. We also call it ‘loft’. Down insulates by trapping a layer of air between the clusters. The more air that is trapped, the warmer the duvet will be. Down from a larger bird will always create more ‘loft’ or insulation. In numbers, it works like this: A duvet with 550 fill power would weigh up to 50% more than a duvet with 800 fill power that provides the same insulation. We rate fills on a scale from 550 to 800 . A high quality fill is between 650 and 750, while 800 indicates the best quality.

Why should you buy natural and not synthetic?
As far as we’re concerned, a duvet is only as good as its filling. And, for us, that has to be completely natural feathers and down. Natural products, including wool, silk and cotton, allow your body to breathe, as well as being lighter and more comfortable. Synthetic products just don’t allow your body to breathe in the same way. They also have a considerably shorter life span than natural products. So, we advise you to always choose natural products. Naturally.

What is Thread Count?
As you might expect, ‘thread count’ tells you the total number of threads that run, in both directions, in a square inch of fabric. A higher thread count means better quality fabric. So, when you’re shopping for duvet covers and pillow cases, look for a thread count of above 200. However, you should also know that, unless you are extremely sensitive to luxury, you probably won’t be able to feel a difference once the thread count is over 600.