This thermal top is a lightweight layer to keep you warm and cosy on particularly chilly nights. This long-sleeved layer has a slim fit, but stretch means it’s never uncomfortable. Made from a combination of acrylic, viscose and elastane, it’s brushed on the inside to give an ultra-soft feel against the skin. Emily Attwood, founder of sleep-brand scooms agrees, ''We’d always advise a 9 tog to 13.5 tog for the winter months as this is ideal and will keep you warm. If your house is always on the warmer side, then a 9 tog duvet would probably suit you better throughout the winter months, and you wouldn’t want to go any higher. This will prevent you from overheating which can disrupt your sleep.' The North Face fleeces are a classic, and with good reason – they last for years and are thoughtfully designed. The newly-launched and well-priced TKA Glacier fleece is an easy choice if you’re after a versatile fleece you can wear in all seasons, and we love its retro styling.

Don't buy it if: your priority right now is affordability or ease of care. Although we think it's well worth investing in the great night's sleep it offers, there's no denying the price is prohibitive, and this duvet is dry clean only. 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. A slim fit means they’ll sit as comfortably under a school uniform as they will under a snowsuit for outdoor play. There are options to fit almost any age, from toddler to teenager. There are no colour options to choose from, but this isn’t a biggie when they do their job so perfectly. Why you can trust Ideal Home Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test. 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.

What is the most affordable women's winter coat?

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? 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. 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.

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. As the days get shorter, darker and colder, we all inevitably start to rummage around in our wardrobes looking for extra layers to keep us warm. And while an extra jumper is the most obvious go-to once the cold hits, knitwear can be quite bulky and uncomfortable even when going about our day-to-day errands. However, there is a better option: thermal underwear. The tops are heat-generating, yet lightweight. This means that children will be able to keep hold of their body heat without feeling smothered. And as far as care is concerned, it couldn’t be simpler: throw them into the washing machine inside out and then straight into the tumble dryer. Available in six colours, you’ll easily find one to match just about any outfit. It also comes in a fantastic range of sizes, making this thermal suitable for just about anyone who needs an extra layer of warmth this winter. 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.

How we chose the best thermal socks

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. The new incarnation of the popular Microlight is made with recycled materials and is a good all-rounder from the Rab stable – it’s light, warm, very breathable and available in a clutch of different colours. And if you’re in the market for ethically sourced animal down, Rab is a good brand to shop with. verifyErrors }}{{ message }}{{ /verifyErrors }}{{ Don't buy it if: you're on a tight budget as this luxury duvet has a luxury price tag. If you're a hot sleeper or suffer from night sweats then you might find down too warm; opt for a more breathable wool-filled duvet instead to avoid overheating. And, if you're vegan, then the feather and down fill won't be for you. 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.