Slumberdown Chilly Nights King Size Duvet - 15 Tog Extra Warm & Thick Heavyweight Quilt Ideal for Cold Winter Nights - Cosy & Toasty, Soft Touch Cover, Hypoallergenic, Machine Washable (225cm x 220cm)

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Don't buy it if: you really want to layer on the warmth. This 13.5 tog duvet is plenty snuggly enough, but we think the wool and down options just pip it to the post in terms of cosiness. That said, this synthetic option is far easier to care for as it's machine washable and can be tumble dried on a low heat setting. After much testing, we think 13.5 tog is best tog duvet for winter, with most of our testers finding 15 tog can retain heat a little too much during the night and lead to overheating. Buy it if: you're looking for luxury as well as warmth. No duvet fill feels quite as sumptuous as down, and this 90% Hungarian goose-down and 10% goose feather option is one of the best. It's super warm, drapes beautifully, and feels super luxurious. The all-seasons option also offers brilliant versatility; use the 4.5 and 9.0 duvets separately in warmer seasons and combine when the evenings start to drop in temperature to create 13.5 togs of winter warmth. Plus, although it's an investment, the all-seasons design means you'll also be kitted out with cooler tog duvets for spring, summer and autumn.

First up, it's synthetic fillings. These duvets are filled with manmade fibres, like polyester and polymide that are made from petroleum-based plastics. Although you can get duvets in almost any tog rating, the most common togs are 4.5 tog which makes a great summer duvet weight, 10.5 tog which tends to be the best bet for autumn and spring, and 13.5 tog which offers good winter warmth. HYPOALLERGENIC - wake up refreshed as this duvet do not contain any materials which are likely to cause allergies and help you prevent symptoms like sneezing, runny nose, itchy skin or watery eyes ALL SEASONS - Our duvets are made with a soft hollowfibre filling coupled with a soft touch cover giving you that cosy comfy feeling so you can enjoy great night’s sleep all night long.If you’re struggling to work out what the best tog duvet is to see you through summer heatwaves and plummeting winter temperatures then an all-season duvet could be the answer. If you're a hot sleeper or suffer from night sweats then you might also find this high down-mix fill too warm; opt for a more breathable wool-filled duvet like Floks Luxury British All Seasons Wool Duvetinstead to avoid overheating. Buy it if: you're looking for the very best duvet for a great night's sleep. This wool-filled duvet is an investment, but we've tried and tested some of the best winter duvets on the market, and in our opinion, this is the cream of the crop. It's the warmest we've come across, keeping our testers warm and toasty throughout the night without any of the overheating or night sweats that occurred with other high tog options. That's thanks to the naturally thermoregulating properties of wool that allow moisture to escape whilst still providing insulation. Handmade in Yorkshire using 100% traceable British Cheviot wool and certified organic cotton this is also a great eco-friendly option, with wool completely biodegradable. A BETTER TOMORROW: Our products help save the equivalent of 750 Million plastic bottles from landfill each year

Long thought of as the Holy Grail of duvet fillings, down creates a plump, squishy and super soft duvet.However, that luxury feel comes with a luxury price tag to match. Seasons change and if you’re still making do with one duvet all year round then it might be time to rethink things. Our Slumberdown bedding collection, which is part of the homeware range, contains temperature control 10.5 tog quilts for the warmer months (and those in-between-y nights) and 13.5 togs for the colder nights. Meaning you can sleep like a baby, whatever the weather. Gently hint with pillows Read more in our guide to what tog duvet to buy as well as finding out when is the right time to switch to a summer duvet. What size duvet do I need?

Discover the Wonders of Wool

If you can’t think of anything better than snuggling into your bed at the end of a hard day then you might want to take a look at our Slumberdown Huggable pillows and duvet. With super soft, hollow fibre filling pillows and a cosy 13.5 tog duvet that gently wraps around you as you sleep. Now, all you need to do is find a cosy enough pair of pyjamas. Choose your size

Microfibre– the 'luxury' version of hollowfibre, a microfibre fill is made of much finer strands of polyester resulting in a very lightweight duvet with a, yes, more luxurious feel. Some compare microfibre to the feel of down, but it has the upside of not running the risk of animal cruelty. However, again, being made of synthetics, the environmental impact of production and disposal is a concern. Like hollowfibre, microfibre can also cause overheating. Don't buy it if: you truly want to splash out on the best duvet for your boudoir. This option is very good for its price, but the higher feather mix does mean it feels more 'clumpy' than the 90% down alternatives on our list. That said, this is still a great buy, and the addition of feathers does make the duvet a little more breathable than a duvet with a higher down percentage, albeit not quite as warm. Obviously, it isn't always convenient to have a different duvet for each season, so the middle ground of the 10.5 tog duvet is one of the most popular options.

MADE IN THE UK: manufactured in Yorkshire by a family business with over 100 years’ experience in bedding Another solution is to opt for an 'all-season' duvet. This consists of two separate lighter tog duvets that can be joined together (usually by way of press studs) to make a warmer winter duvet. Most commonly an all-season duvet will include a 4.5 tog and 9 tog duvet that can create a 13.5 tog duvet once combined, or a 4.5 tog and 10.5 tog duvet that will create a warmer 15 tog combination. That said, personally, we think 13.5 tog remains one of the best winter duvet weights, with some finding 15 tog can retain heat a little too much during the night and lead to overheating. Buy it if: you want an affordable winter duvet that still feels both warm and luxurious. This recycled polyester fill duvet has 10% silk mixed in, and whilst the proportion doesn't sound huge, it really makes a difference to the way this duvet feels, with a more luxurious touch and really nice drape on the bed, whilst still being lightweight. Even better it's a relatively budget buy, and made from certified recycled polyester from waste (like plastic bottles or manufacturing off-cuts) which helps the movement towards a more circular economy by reducing waste going to landfill. Compared with virgin polyester, recycled polyester helps conserve crude oil reserves during fibre production. Although it will mean spending a little more, and may depend on your bed frame height and style, we'd generally advise sizing up with your duvet, especially if you sleep with a partner.