buying guide duvet covers · winter · 9 min read

winter duvet covers: how to choose yours

It is the piece you see and also the one against your skin all night. The inner determines how warm the bed is; the cover determines how it feels and how the bedroom looks.

Unmade bed with an ochre cotton happyfriday duvet cover and dusty pink sheets the shade that sets the bedroom for the whole season

Choosing a winter duvet cover tends to be framed as an aesthetic decision, and it is true that the print is the first thing people weigh up. But there are three factors that matter just as much: the fabric that will be against your skin, the size in relation to the inner, and a few details of make-up that only become apparent with use.

In this guide we go through which fabric suits the cold months, how to get the size right in relation to the duvet inner you already have, which finishing elements make a difference day to day, and how to combine the cover with the rest of the bed. If you are still deciding on the weight of your inner, it is worth starting with the guide to a winter or summer duvet and coming back here afterwards.

key points

what you will take away from this

  • 1What the cover is for and why it adds no warmth, even though it may seem to.
  • 2The right fabric for winter and what changes how it feels in the cold.
  • 3How to get the size right: the cover and the inner must match.
  • 4How to choose the print and the colour for a winter bedroom.
who does what

what the duvet cover actually does

It is worth starting by clarifying the division of roles, because it is the most common source of confusion when making up a winter bed. The duvet cover is the outer piece that encases the inner: it provides the print, the colour and the feel, and protects the inner from daily use. The warmth, by contrast, is determined entirely by the inner inside it.

This has one important practical consequence: a cover does not warm the bed. If the bedroom feels cool, the answer is not to change the cover but to move up a weight in the inner. And the other way round: if the bed feels excessively warm, that is not fixed with the cover either. Each piece solves something different.

The inner determines how warm the bed is. The cover determines how it feels and how it looks.

That said, the cover does affect perceived warmth. A fabric that feels cold on first contact gives the impression that the bed is less warm, even though the inner is the same. That is precisely the criterion to apply when choosing fabric for winter.

And there is a second advantage that becomes apparent over time: being the piece that can be washed frequently, the cover lets you space out washes of the inner considerably — the bulky piece that is awkward to get into the machine.

the feel

the fabric: what changes in the cold months

In summer you look for a fabric that breathes and feels cool to the touch. In winter the criterion is reversed: you want a fabric that does not produce that sensation of cold as you get into bed and that feels pleasant throughout the night. Our duvet covers are made of cotton, the fibre that best balances those two requirements.

Warm to the touch

Cotton reaches body temperature quickly, so it does not produce that initial sensation of cold.

Breathable

It lets body moisture out, which avoids a build-up of damp heat under the inner.

Hard-wearing

It is the most frequently washed piece on the bed, and cotton keeps its colour and feel wash after wash.

Why cotton rather than a synthetic fabric

Synthetic fabrics tend to be cheaper, but they present two drawbacks in winter. The first is breathability: by not letting body moisture out, they create a damp heat under the inner that becomes uncomfortable. The second is static electricity, more noticeable precisely in the dry months of winter. Cotton presents neither.

And the thread count

It is a figure that comes up often and is worth interpreting with a degree of caution: a higher number does not automatically mean a better fabric. What a greater density does provide is a slightly softer drape and a closer feel. If you want the detail, we go into it in the article on the differences between 150 and 200 thread count.

the size

the size: the cover and the inner must match

Here is the most frequent mistake when buying the pieces separately, and the rule is simple: the cover must be the same size as the inner, not the size of the mattress. The inner is already wider than the bed by design, precisely so that it drapes over the sides, so taking the mattress measurement as your reference leaves the cover short.

duvet cover · size by inner and bed
Cover and inner sizeFor your bed of
140 × 20080 cm
150 × 22080 / 90 cm
180 × 220105 cm
200 × 200120 cm
220 × 220135 / 140 cm
240 × 220150 / 160 cm
260 × 220180 / 200 cm
260 × 240180 / 200 cm · more drape

What happens if the size does not match

−

Cover smaller than the inner

The inner is compressed and loses loft, and with it part of its warmth. The seams also work under tension.

+

Cover larger than the inner

The inner shifts about inside and bunches up at one end, leaving areas with no warmth. It is the usual reason for having to reposition it every night.

If your mattress is particularly deep or two of you sleep in it, the 260 × 240 size is worth considering for 180 and 200 cm beds: the additional 20 cm of length give a more generous drape. You will find the full detail in our size guide.

Floral print cotton happyfriday duvet cover over the white duvet inner and olive green fitted sheet
The same size as the inner. If the cover is short, the inner loses loft; if it is too big, it shifts about during the night.
colour and design

the print: a different decision in winter

In the cold months the bedroom receives less natural light and is used for more hours a day, so the print carries greater visual weight than it does in summer. A design that felt fresh in July can look flat in November, and vice versa. These are the three criteria worth applying.

1

Warm tones

Terracotta, ochre, olive green or mustard compensate for the lack of natural light and bring a sense of warmth that cool tones do not achieve in winter.

2

Mid-scale motifs

Medium-sized designs work better in low light: they hold their presence without overwhelming the eye in a space used for many hours.

3

A plain as your base

If you prefer to change the mood each season without replacing the cover, a plain lets you bring in colour through the accessories.

Combining the print with the accessories

If you choose a plain, the colour comes in through the cushions and a throw at the foot of the bed, with the advantage of being able to change them each season. If the cover is already printed, the approach is the reverse: accessories in tones that appear within the design itself, so the whole has a common thread. We go into it in the guide on how to combine prints in bed linen.

And a note on printed cotton: our duvet covers carry our own designs, so you will not find the print with another brand. That is why it is worth choosing unhurriedly: the cover is the piece that defines the look of the bedroom for the whole season.

the whole

how to combine it with the rest of the bed

Once the cover is chosen, these are the pieces that complete the winter set and the order in which they go on.

the winter bed, layer by layer
LayerPieceWhat it adds
1 · baseFitted sheetProtects the mattress and gives the surface
2 · optionalFlat sheetHygienic layer between body and inner
3 · warmthInner + duvet coverThe warmth and the print
4 · finishing touchThrow at the footTexture, colour and extra temperature adjustment

The flat sheet is optional, and it deserves a comment because it raises questions. Placed under the inner it works as a hygienic layer, which lets you space out washes of the cover, and it adds a way of adjusting on mid-season nights: you can sleep with it alone when the inner is too much.

The throw at the foot of the bed serves a double purpose: it adds texture and colour to the whole, and it solves those nights when the winter inner feels slightly short without quite needing a heavier weight.

spanish design · made in spain

cotton and our own prints

Our duvet covers are made of cotton, a breathable fibre with a warm feel that keeps its colour and softness wash after wash. The prints are our own designs, so you will not find them with other brands. Available in the same eight sizes as our inners, from a single bed to a super king, so the size correspondence is direct. We design and manufacture in Spain.

designed and made
in spain
breathable
cotton
local production
close to home

the cover you see and the one you feel

In short: the cover adds no warmth — that is the inner's job — but it does determine the feel and the look of the bedroom. For winter, a cotton that feels warm to the touch and breathes; for the size, the same measurement as the inner, never the mattress; and for the print, warm tones and mid-scale motifs, which is what works in low natural light. With those three criteria, the choice stops being a matter of intuition.

discover our duvet covers →
frequently asked questions

frequently asked questions

What size duvet cover do I need?
The same size as your duvet inner, not your mattress. The inner is already wider than the bed by design, so that it drapes over the sides, which means taking the mattress measurement as your reference leaves the cover short. For a 150 or 160 cm bed the size is 240 × 220; for a 180 or 200 cm bed, 260 × 220, or 260 × 240 if you prefer more drape.
Does a winter duvet cover add warmth?
No. The warmth is determined by the inner inside it, not by the cover. What the cover does change is perceived warmth: a fabric that feels cold on first contact gives the impression that the bed is less warm, even though the inner is the same. If the bedroom feels cool, the answer is to move up a weight in the inner, not to change the cover.
Which fabric is best for a duvet cover in winter?
Cotton is the one that best balances the two requirements of the cold months: it reaches body temperature quickly, so it does not produce a sensation of cold as you get into bed, and it breathes, which avoids damp heat under the inner. Synthetic fabrics tend to fall short on both counts and also generate more static electricity in dry conditions.
How do I stop the inner moving about inside the cover?
The size is what matters: if the cover and the inner are the same size, the inner sits snugly and barely shifts. Most problems come from having chosen a cover larger than necessary. When making the bed, a couple of shakes from the head end are enough to redistribute the inner and restore its loft.
Do I need to use a flat sheet with a duvet cover?
It is optional. Under the inner it acts as a hygienic layer, which lets you space out washes of the cover, and it adds a way of adjusting in mid-season, since you can sleep with it alone when the inner is excessive. Many people go without it in winter and wash the cover more often instead.
How often should a duvet cover be washed?
As often as the sheets, around once a week or every ten days, because it is in direct contact with the skin. That is precisely its protective role: by being washed often, it means the inner only needs two or three washes a year.