All Seasons Duvets

The All Seasons Duvet consists of two separate down duvets – a cool, light 4.5 Tog summer duvet and a warmer spring/autumn duvet (6.0 or 9.0 Tog). They can be used individually or together to form a single duvet, fit to keep you warm despite the coldest winter chills. These clever, multifaceted models are an excellent fit for those who crave luxurious sleep in climates where each season brings markedly different weather. They are also an economical choice, as the combined All Seasons has the value of two duvets with a price closer to that of one.

Please take note of the Tog ratings listed for All Seasons duvets while you shop, as these can vary between manufacturers. The Otto Keller All Seasons for instance consists of a 4.5 Tog duvet and a warmer 6.0 Tog duvet. The Dickenbergh All Seasons by contrast brings together a 4.5 Tog duvet with a second rated at 9.0 Tog, a combination especially recommended for those living in the chilly countryside. Regardless of manufacturer, the two duvets in All Seasons products easily and seamlessly join together via buttons or clasps, creating the feel of a single duvet when used together.

Available in all sizes from single to super king, these All Seasons duvets are the ideal flexible sleeping solution. All our duvets are premium products with natural filling of at least 90% down and are produced in workshops that exercise extensive quality control and maintain high standards of excellence.

Tog Rating
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What makes a good All Seasons duvet?

Coupling system

An All Seasons duvet features two duvets: one light, one medium. They can be used alone or combined to form a winter duvet. The coupling system varies across brands. Some utilise buttons, others press studs (snap buttons). We recommend testing the coupling system when your duvet arrives to make sure it works and that you are satisfied with the method.


As All Seasons products are made up of two duvets their ventilation and heat regulation can work quite differently. When combined these products contain four layers of cotton, which lessen the duvet’s breathability but provide better insulation for wintertime use.

Tog Rating

We use Tog rating as an easy-to-understand measurement of insulation. A higher tog rating means that a duvet is suitable for colder environments. All Seasons duvets will have multiple tog ratings listed, representing the rating of each duvet, which varies across brands. The Otto Keller products are lighter, with a combined tog of 10.5 compared to the 13.5 rating of the Dickenbergh All Seasons duvets. More information can be found on our page about Tog rating.

Down Quality

European Standard EN 12934 regulates the categorisation and naming of the filling material in bedding based on the proportion of new down and the types of poultry used. Only Class 1 down fillings may bear the quality rating “new”. All products on are filled with the best, Class 1 filling.


Experience shows that duvets with fabric of Ne 30 or higher are suitable for use by people with dust mite allergies. Premium down comforters have high-quality covers ranging from Ne 40 to Ne 155. On this website, you can see the Ne of each duvet under its product details. Additional protection is provided by duvets with the NOMITE label, which we recommend for allergy sufferers.