SIMBA Hybrid® Duvet with OUTLAST®

The duvet designed to take the heat - literally. With built-in heat regulating OUTLAST® technology to keep you comfortable all night, this is the all-season duvet you don't find every day.
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OUTLAST®fabric technology is used on one side of SIMVA's duvet, which absorbs, stores and releases heat as you need it, keeping your body temperature steady all night long. This means deeper sleep with less chance of overheating. 


Say goodnight to duvet swapping. The 10.5 tog duvet keeps your nights comfortable year-round, thanks to temperature regulating technology that's out of this world - literally, it was designed for astronauts. 


A lightweight duvet with heavyweight cosiness. It's been packed with the perfect balance of 90% duck down and 10% feathers for super light softness. And, there's silky and breathable 300 thread-count cotton on one side. 


A box border with double piping has been added to help you see which side of your duvet features OUTLAST® - it's the blue side. The border also lets air flow through the natural filling of the duvet. 


The duvet is fully machine washable at 40 degrees, and tumble dryer-friendly on a low setting. The soft filling has also been stitched evenly into pockets, so there's no need for shaking after washing.


Originally created for NASA, OUTLAST® is like your own personal thermostat. If you get too hot during the night, it draws in the heat to cool you down. If you get too cold, it releases the heat to warm you up.


UK Single - 90cm x 190cm 

UK Double - 135cm x 190cm 

UK King - 150cm x 198cm 

UK Super King - 180cm x 198cm 

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Delivery UK

Delivery excluding bedroom and furniture

Standard UK delivery is FREE on all orders over £30 either in-store or online. This excludes gift vouchers, international delivery destinations including Scottish Highlands and Islands and premium delivery services.

For orders under £30, delivery is £3.95. We also offer express delivery at £7.95

Free Click and Collect

FREE Click and Collect Windsor

You can collect from our Windsor store using our FREE Click & Collect service. Simply place your online order. We will email you when it’s ready to collect

Delivery UK

Delivery for bedroom and furniture

For beds and furniture, delivery is free on orders over £500. For orders under £500, you will be advised of delivery fees at checkout. If you ordered a bed, mattress or furniture, please note we do not deliver to the Scottish Highlands & Islands, Isle of Man, Jersey and Guernsey. We do not deliver to the following Highlands postcodes: PA, PH, IV and KW.

Our delivery team will contact you to arrange a suitable date and time.

Deliveries are Monday to Friday between 9am and 5pm.



If you need to make a return, you can do this at our Windsor store or by post. We also offer a 14-day online returns policy. Goods must be in resaleable condition..

The following items are non-returnable unless faulty:

1. Underwear, hosiery, swimwear, hats, electricals, pillows and mattresses (including mattress toppers)

2. Goods made to the customer's specification and special orders

You can see our full returns policy here or Click to request a return

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