Slumberdown
10cm 4 Inch Extra Deep Temperature Regulating Mattress Topper
“Refund was approved and back in my account the same day.” - Deliver+ customer
Experience a more comfortable, better-balanced night’s sleep with the Slumberdown 10cm 4 Inch Extra Deep Temperature Regulating Mattress Topper. Designed to enhance your mattress, this premium topper adds a luxuriously deep layer of softness and cushioning, helping to protect and enhance your mattress while giving your bed a more inviting feel. It’s a simple way to refresh your sleep space and enjoy added comfort for longer, without needing to replace your mattress just yet. Filled to an indulgent 10cm / 4 inch depth, it creates a fuller, more cushioned sleep surface that helps elevate comfort. The soft touch microfibre cover feels smooth beneath your sheets, while elasticated straps keep the topper in place. Temperature-Regulating Fill Specially made with breathable Temperate fibres, this topper is designed to adapt to your body heat for balanced comfort in every season. It helps you stay cooler on warmer spring and summer nights, while remaining comfortably cosy as temperatures fall. The result is a fresher, more settled sleep space, with less chance of overheating. Designed for enhanced comfort Customer feedback highlights the topper’s softness, comfort and sleep-enhancing feel. Many shoppers love the extra cushioning it brings to the bed, while others mention enjoying a better night’s sleep. It is also a popular choice for giving guest beds a welcoming finish. Practical as well as indulgent, this machine washable topper helps keep your bed feeling fresh and comfortable for longer.
Fabric Composition: 100% Microfibre. 40° Machine Wash. Dimensions: Single L190cm x W90cm, Double L190cm x W135cm, King L200cm x W150cm, Super King L200cm x W180cm.
Extended returns Orders placed after 29th October 2026 can be returned until 5th January 2027
Something not quite right? You have 21 days from the day you receive it, to send something back. When you purchase Debenhams Deliver+, you will have an extra 14 days on top of our standard 21-day window to initate a return.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
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Sponsored Products
Experience a more comfortable, better-balanced night’s sleep with the Slumberdown 10cm 4 Inch Extra Deep Temperature Regulating Mattress Topper. Designed to enhance your mattress, this premium topper adds a luxuriously deep layer of softness and cushioning, helping to protect and enhance your mattress while giving your bed a more inviting feel. It’s a simple way to refresh your sleep space and enjoy added comfort for longer, without needing to replace your mattress just yet. Filled to an indulgent 10cm / 4 inch depth, it creates a fuller, more cushioned sleep surface that helps elevate comfort. The soft touch microfibre cover feels smooth beneath your sheets, while elasticated straps keep the topper in place. Temperature-Regulating Fill Specially made with breathable Temperate fibres, this topper is designed to adapt to your body heat for balanced comfort in every season. It helps you stay cooler on warmer spring and summer nights, while remaining comfortably cosy as temperatures fall. The result is a fresher, more settled sleep space, with less chance of overheating. Designed for enhanced comfort Customer feedback highlights the topper’s softness, comfort and sleep-enhancing feel. Many shoppers love the extra cushioning it brings to the bed, while others mention enjoying a better night’s sleep. It is also a popular choice for giving guest beds a welcoming finish. Practical as well as indulgent, this machine washable topper helps keep your bed feeling fresh and comfortable for longer.
Fabric Composition: 100% Microfibre. 40° Machine Wash. Dimensions: Single L190cm x W90cm, Double L190cm x W135cm, King L200cm x W150cm, Super King L200cm x W180cm.
Extended returns Orders placed after 29th October 2026 can be returned until 5th January 2027
Something not quite right? You have 21 days from the day you receive it, to send something back. When you purchase Debenhams Deliver+, you will have an extra 14 days on top of our standard 21-day window to initate a return.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
Slumberdown
10cm 4 Inch Extra Deep Temperature Regulating Mattress Topper
“Refund was approved and back in my account the same day.” - Deliver+ customer
We Think You'll Like
Sponsored Products
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Protects your new 10cm 4 Inch Extra Deep Temperature Regulating Mattress Topper against breakdowns and faults once the manufacturer's warranty period is over.
Covers issues not included in your manufacturer's warranty, such as accidental damage or theft.
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