Enjoy a cooler, more comfortable night’s sleep with this Slumberdown Temperature Regulating 10 cm Extra Deep Mattress Topper. Generously filled with breathable hollowfibre, it helps draw moisture away from the body and promotes airflow, supporting an even, comfortable sleeping temperature all night long. The 10 cm deep profile provides plush cushioning that enhances the feel of your mattress, giving tired beds a luxurious, hotel-inspired lift. The soft touch microfibre cover feels smooth under your sheets, while elasticated corner straps ensure a secure, stable fit throughout the night. Ideal for hot sleepers or anyone wanting an extra layer of breathable comfort, this Slumberdown Sleep Soundly Climate Control Extra Deep 10cm Mattress Topper combines temperature control with everyday practicality. It’s machine washable for effortless care, making it a simple way to upgrade your sleep experience all year round. • Temperature-regulating design with breathable cooling technology • Extra deep 10 cm fill for superior cushioning and comfort • Hollowfibre filling wicks away moisture for a cooler sleep surface • Soft touch microfibre cover for smooth, luxurious feel • Elasticated corner straps keep the topper securely in place • Machine washable for easy care and long-lasting freshness • Perfect for all-season use and hot sleepers
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.
Free delivery on all order over £75 (exc. Bulky Item Delivery)
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 28 days from the day you receive it, to send something back.
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
Temperature Regulating 10 cm Extra Deep Mattress Topper with Breathable Cooling Technology
This product is excluded from promo codes
Protect Your Purchase?
Extend your warranty and protect your purchase against accidental damage and defects.
Protects your new Temperature Regulating 10 cm Extra Deep Mattress Topper with Breathable Cooling Technology 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.
Get a replacement or a cash refund up to the full amount you originally paid for it.
FAQs
XCover is an authorised protection provider owned by Cover Genius, a leading insurtech firm ranked #1 in the Financial Times list of fastest-growing companies. With over 7 million customers globally and an average 4.7 out of 5 stars on Google and Trustpilot, XCover Protection is backed by some of the world's largest insurers including Lloyd's, Generali, Sompo, and Munich Re.
After purchasing XCover Protection, you'll receive a confirmation email with a link to activate your XCover Account. Your coverage starts from the day of purchase. Once activated, you can log in to view your protection documents, certificate, and coverage details at any time.
To file a claim, log in to your XCover Account, select the protection plan you'd like to claim against, and click 'Make a Claim'. You'll need to provide supporting documents relevant to your claim. XCover aims to complete 95% of claims within 3 days, with instant payment on approved claims.
Depending on your country and the type of claim, there may be a small excess or deductible applicable when making a claim. You can find the specific details in your protection wording by logging into your XCover Account.
If you wish to return your product, you'll need to submit a claim through your XCover Account. If approved, you'll receive a shipping label and have 7 days to send the item to the return partner. Once assessed and approved, you'll receive a payout reimbursing you for your item.
Exclusions apply. See more
- Extend your return window to 35 days
- 100% protection against any shipping mishaps
Enjoy a cooler, more comfortable night’s sleep with this Slumberdown Temperature Regulating 10 cm Extra Deep Mattress Topper. Generously filled with breathable hollowfibre, it helps draw moisture away from the body and promotes airflow, supporting an even, comfortable sleeping temperature all night long. The 10 cm deep profile provides plush cushioning that enhances the feel of your mattress, giving tired beds a luxurious, hotel-inspired lift. The soft touch microfibre cover feels smooth under your sheets, while elasticated corner straps ensure a secure, stable fit throughout the night. Ideal for hot sleepers or anyone wanting an extra layer of breathable comfort, this Slumberdown Sleep Soundly Climate Control Extra Deep 10cm Mattress Topper combines temperature control with everyday practicality. It’s machine washable for effortless care, making it a simple way to upgrade your sleep experience all year round. • Temperature-regulating design with breathable cooling technology • Extra deep 10 cm fill for superior cushioning and comfort • Hollowfibre filling wicks away moisture for a cooler sleep surface • Soft touch microfibre cover for smooth, luxurious feel • Elasticated corner straps keep the topper securely in place • Machine washable for easy care and long-lasting freshness • Perfect for all-season use and hot sleepers
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.
Free delivery on all order over £75 (exc. Bulky Item Delivery)
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 28 days from the day you receive it, to send something back.
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.