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MightySoft Super King Mattress Topper 10cm Thick - Quilted, Extra Deep, Ultra Fluffy and Breathable Microfiber Topper, Securely Fits with Elastic Straps, Enhances Comfort & Supports Restful Sleep

4.4 out of 5 stars 5,372 ratings

Sustainability features

This product has sustainability features recognised by trusted certifications.
Safer chemicals
Made with chemicals safer for human health and the environment.
As certified by
OEKO-TEX STANDARD 100

OEKO-TEX STANDARD 100

STANDARD 100 by OEKO-TEX requires every component of a textiles product – including all thread, buttons and trims – to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals that may be harmful to human health. The assessment process is globally standardised, independently conducted and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.

Learn more about this certification

Certification number

2018OK0542
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RRP: £54.99
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Size Name: Super King - (180cm x 200cm x 10cm)
Brand MightySoft
Colour White
Size Super King - (180cm x 200cm x 10cm)
Fabric Type Inner Filling: Hollow Fibre, Outer Fabric: Microfibre
Special feature Quilted, Hypoallergenic, Washable, Breathable

About this item

  • 𝐂𝐥𝐨𝐮𝐝𝐥𝐢𝐤𝐞 𝐒𝐥𝐞𝐞𝐩 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: Made with breathable microfiber, MightySoft super king mattress topper wraps you in a soft, cloudlike embrace, offering warmth and comfort that lasts all night for a hotel-style sleeping experience.
  • 𝐄𝐥𝐞𝐠𝐚𝐧𝐭 & 𝐂𝐨𝐳𝐲 𝐁𝐞𝐝𝐝𝐢𝐧𝐠 𝐔𝐩𝐠𝐫𝐚𝐝𝐞: MightySoft mattress topper super kingsize bed adds an elegant, clean look to your bed, making it cozy and inviting. It revitalizes your old mattress and gives your bedroom the luxurious feel of a high-end hotel.
  • 𝐄𝐱𝐭𝐫𝐚 𝐖𝐚𝐫𝐦𝐭𝐡 𝐟𝐨𝐫 𝐂𝐨𝐥𝐝 𝐍𝐢𝐠𝐡𝐭𝐬: MightySoft super king-size mattress topper adds a thick, insulated layer to your bed, making it ideal for cold nights. Say goodbye to shivers and enjoy warm, restful, and cozy nights throughout winter.
  • 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐖𝐚𝐬𝐡 & 𝐌𝐚𝐢𝐧𝐭𝐚𝐢𝐧: Vacuum-sealed for freshness, allow 24–48 hours to fully expand before use. Machine wash at 40°C and tumble dry on low to keep your quilted super king size mattress toppers fresh, clean, and long-lasting.
  • 𝐒𝐧𝐮𝐠 & 𝐒𝐞𝐜𝐮𝐫𝐞 𝐅𝐢𝐭: The MightySoft 10cm mattress topper super king size features strong elastic corners for a tight and secure fit on most standard mattress topper super king size bed —no more slipping, sliding, or bunching during the night.
  • 𝐇𝐲𝐩𝐨𝐚𝐥𝐥𝐞𝐫𝐠𝐞𝐧𝐢𝐜 𝐂𝐨𝐦𝐟𝐨𝐫𝐭: Crafted with ultra-soft, hypoallergenic materials, MightySoft extra thick mattress topper super king size bed are ideal for allergy sufferers, offering gentle comfort that helps improve your sleep quality and overall well-being.
  • 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐝 𝐓𝐡𝐢𝐜𝐤𝐧𝐞𝐬𝐬 & 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: With 10cm of extra filling, MightySoft bed topper super king size add a plush layer of softness and support. The quilted super king mattress toppers design evenly distributes fill for consistent comfort and better sleep throughout the night.
› See more product details

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Competitively priced item

4.4 out of 5 stars (572)
£25.99
1 sustainability feature

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  1. Sustainability features

    This product has sustainability features recognised by trusted certifications.
    Safer chemicals
    Made with chemicals safer for human health and the environment.
    As certified by
    OEKO-TEX STANDARD 100

    OEKO-TEX STANDARD 100

    STANDARD 100 by OEKO-TEX requires every component of a textiles product – including all thread, buttons and trims – to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals that may be harmful to human health. The assessment process is globally standardised, independently conducted and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.

    Certification Number

    SHHO052876

    Climate Pledge Friendly

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  3. Sustainability features

    This product has sustainability features recognised by trusted certifications.
    Safer chemicals
    Made with chemicals safer for human health and the environment.
    As certified by
    OEKO-TEX STANDARD 100

    OEKO-TEX STANDARD 100

    STANDARD 100 by OEKO-TEX requires every component of a textiles product – including all thread, buttons and trims – to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals that may be harmful to human health. The assessment process is globally standardised, independently conducted and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.

    Certification Number

    SHHO060330

    Climate Pledge Friendly

    Discover more products with sustainability features.Learn more

  5. Sustainability features

    This product has sustainability features recognised by trusted certifications.
    Safer chemicals
    Made with chemicals safer for human health and the environment.
    As certified by
    OEKO-TEX STANDARD 100

    OEKO-TEX STANDARD 100

    STANDARD 100 by OEKO-TEX requires every component of a textiles product – including all thread, buttons and trims – to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals that may be harmful to human health. The assessment process is globally standardised, independently conducted and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.

    Certification Number

    SHHO060330

    Climate Pledge Friendly

    Discover more products with sustainability features.Learn more

  6. Sustainability features

    This product has sustainability features recognised by trusted certifications.
    Safer chemicals
    Made with chemicals safer for human health and the environment.
    As certified by
    OEKO-TEX STANDARD 100

    OEKO-TEX STANDARD 100

    STANDARD 100 by OEKO-TEX requires every component of a textiles product – including all thread, buttons and trims – to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals that may be harmful to human health. The assessment process is globally standardised, independently conducted and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.

    Certification Number

    SHHO060330

    Climate Pledge Friendly

    Discover more products with sustainability features.Learn more
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Sustainability features

This product has sustainability features recognised by trusted certifications.

Safer chemicals

Made with chemicals safer for human health and the environment.

As certified by
OEKO-TEX STANDARD 100

From the brand

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  2. Where Comfort Meets Quality

    At MightySoft, we create premium bedding that blends comfort, quality, and elegance—transforming everyday sleep into a hotel-like experience. Designed for restful nights and refreshing mornings, MightySoft helps you wake up recharged and ready to take on the day

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Product Description

mattress topper double bed
mattress toppers double size bed
super king mattress topper
thick mattress topper kingsize bed

  • It adds a thick comfort layer, refreshing the feel of your bed instantly.

  • Yes, it's fully machine washable at 40°C and easy to maintain.

  • Allow 24–48 hours for full expansion after opening the vacuum seal.

  • Yes, it’s designed with plush microfiber for a cloudlike, cozy feel.

  • Yes, it's made with hypoallergenic materials for sensitive sleepers

Product information

Technical Details

Brand ‎MightySoft
Model Number ‎KITCHEN-498
Colour ‎White
Product Dimensions ‎200 x 180 x 10 cm; 5 kg
Material ‎HollowFibre, MicroFibre
Special Features ‎Quilted, Hypoallergenic, Washable, Breathable
Item Weight ‎5 kg

Additional Information

ASIN B09JKRP89S
Customer Reviews
4.4 out of 5 stars 5,372 ratings

4.4 out of 5 stars
Best Sellers Rank
Date First Available 1 Dec. 2021

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MightySoft Super King Mattress Topper 10cm Thick - Quilted, Extra Deep, Ultra Fluffy and Breathable Microfiber Topper, Securely Fits with Elastic Straps, Enhances Comfort & Supports Restful Sleep

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Price-20% £43.99
RRP: £54.99		£27.99£34.99£40.88£35.50
Delivery—
Get it as soon as Tomorrow, Jul 11
Get it as soon as Tomorrow, Jul 11
Get it as soon as Sunday, Jul 13
Get it as soon as Sunday, Jul 13
Customer Ratings
4.44.4 out of 5 stars5,372
4.34.3 out of 5 stars48
4.44.4 out of 5 stars12,368
4.44.4 out of 5 stars645
4.24.2 out of 5 stars53
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Customer reviews

4.4 out of 5 stars
5,372 global ratings

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Customers say

Customers find the mattress topper comfortable, adding just the right amount of support and eliminating morning aches, while also appreciating its quality and value for money. The topper fits securely to size and makes the bed more snuggly, with customers noting it makes them feel like they're sleeping on a cloud and keeps them cooler. The thickness and strap length receive mixed feedback - while some find it nice and thick with secure elastic straps, others mention the sides are slightly thinner and the straps could be longer.

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ComfortQualityValue for moneyFitSleep qualityWarmthThicknessStrap length
848 customers mention ‘Comfort’777 positive71 negative

Customers find the mattress topper comfortable, praising its perfect amount of softness and the right amount of support, with one customer noting it makes their hard mattress more comfortable.

"So soft and comfortable. A delight to sleep on." Read more

"It is very good value and it is soft. I do think it is a bit too soft for a mattress topper...." Read more

"Very comfortable" Read more

"It's very comfortable" Read more

448 customers mention ‘Quality’413 positive35 negative

Customers find the mattress topper to be of good quality, describing it as luxurious, with one customer noting that their bed feels brand new after using it.

"Why did you choose this product over others?: Good quality..." Read more

"Really great. Nice and thick.very comfortable" Read more

"Lovely and comfy. Easy to fit 🙂..." Read more

"...Well on my god, it’s lovely, great fabric, so soft and fluffy and comfortable. Im even ordering a second one, it’s that good." Read more

327 customers mention ‘Value for money’272 positive55 negative

Customers find the mattress topper to be a great value, offering comfort at a reasonable price.

"...I got one for my kids too & they love it! Highly recommend! Great value too!" Read more

"Thick and comfy. Value for money" Read more

"...Good value for money and I have found it comfortable and has helped my back and hip pain." Read more

"...Good value." Read more

215 customers mention ‘Fit’173 positive42 negative

Customers find that the mattress topper fits perfectly to size and securely to the mattress, making the bed more snuggly.

"...It’s incredibly soft and easy to fit, the straps are secure...." Read more

"Very comfortable and fits well" Read more

"Lovely and comfy. Easy to fit 🙂..." Read more

"Feels nice, makes the existing mattress feel softer. Fits well. It's for our spare single bed so haven't actually slept on it." Read more

182 customers mention ‘Sleep quality’178 positive4 negative

Customers report significant improvements in sleep quality, describing it as sleeping on a cloud, with one customer noting they never want to get out of bed.

"...What a difference it made in just one night! It’s like sleeping on a cloud!..." Read more

"...I would thoroughly recommend. It's like sleeping on a cloud." Read more

"...deep enough to make my hard mattress comfortable and i can get a good nights sleep the topper has elastic straps to secure it in place." Read more

"...I would recommend as a budget option for a great sleep!" Read more

88 customers mention ‘Warmth’70 positive18 negative

Customers appreciate the mattress topper's warmth, noting it keeps them cooler and is ideal for cold weather, with one customer mentioning it can be used as a duvet in harsh winters.

"...That said, it is comfy and warm." Read more

"Has improved my sleep. Warm and cosy. Great value." Read more

"Very soft more like a duvet, keeps you warm. Cosy." Read more

"...It's very warm. The filling is flimsy and I imagine will flatten very easily." Read more

240 customers mention ‘Thickness’114 positive126 negative

Customers have mixed opinions about the mattress topper's thickness, with some finding it nice and thick while others note that the sides are slightly thinner.

"...The reality is that this topper is thin, flimsy, and is essentially the equivalent of laying a duvet down over your bed and sleeping on that...." Read more

"Deep, thick & very comfortable" Read more

"Not as thick as advertised even after 48 hrs left to expand but my daughter said it’s comfy" Read more

"Just what I needed . Thick and really makes a difference to the comfort of my bed. I would definitely recommend ." Read more

34 customers mention ‘Strap length’22 positive12 negative

Customers appreciate that the mattress topper is anchored by elastic straps at each corner, though one customer notes that the straps aren't fixable enough.

"...Perfect size for my beds, and the elastic rubber in every corners keeps it in place always...." Read more

"Lovely and comfortable, Straps are difficult to put around mattress as mattress is heavy, but once it on it stays on." Read more

"...It’s incredibly soft and easy to fit, the straps are secure...." Read more

"...It is quite deep and very comfortable. The corner straps are long enough for the deep mattress. Very pleased with the purchase." Read more

Very comfortable
5 out of 5 stars
Very comfortable
Like a previous reviewer, I bought a new mattress which, although medium firmness, turned out to be harder than I wanted. This mattress topper has been wonderful. It is quite deep and very comfortable. The corner straps are long enough for the deep mattress. Very pleased with the purchase.
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Top reviews from United Kingdom

  • marie leebody
    5.0 out of 5 stars Comfort
    Reviewed in the United Kingdom on 7 July 2025
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    So comfortable. I ideally need a new mattress but funds are low. This has helped so much. Very cosy and comfortable
    Helpful
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  • Amazon Customer
    5.0 out of 5 stars Like sleeping on a cloud.
    Reviewed in the United Kingdom on 2 July 2025
    Size Name: King - (150cm x 200cm x 10cm)Verified Purchase
    The most comfortable mattress protector I've had. I've bought three now, one for my daughter and Granddaughter. I would thoroughly recommend. It's like sleeping on a cloud.
    Helpful
     Report
  • Patsy Jones
    4.0 out of 5 stars Good fit
    Reviewed in the United Kingdom on 7 July 2025
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    Very nice. Quite soft but very comfortable
    Helpful
     Report
  • JACK
    5.0 out of 5 stars A must buy
    Reviewed in the United Kingdom on 23 June 2025
    Size Name: Single - (90cm x 190cm x 10cm)Verified Purchase
    Better than expected. Had my doubts about it saying to myself would I really notice the difference as it is only 10cm in thickness. Was very surprised its made the world of difference to the mattress comfort especially given how old the mattress is.
    Helpful
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  • stuie1982
    5.0 out of 5 stars Ultra comfortable
    Reviewed in the United Kingdom on 23 June 2025
    Size Name: King - (150cm x 200cm x 10cm)Verified Purchase
    Why did you choose this product over others?:
    Amazing! You know its good when it arrives as its heavy. Its like sleeping on top of two duvets and seriously comfortable 
    One person found this helpful
    Helpful
     Report
  • patrick
    3.0 out of 5 stars Disappointed
    Reviewed in the United Kingdom on 3 July 2025
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    Not as soft as expected 
    Helpful
     Report
  • Kumayl Fazal
    5.0 out of 5 stars Comfy and fits well
    Reviewed in the United Kingdom on 6 July 2025
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    Very comfy, it fits well and feels plush
    One person found this helpful
    Helpful
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  • Amazon Customer
    4.0 out of 5 stars Great value and says what it dies Comfy
    Reviewed in the United Kingdom on 28 June 2025
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    Lovely and comfy. Easy to fit 🙂
    Helpful
     Report

Top reviews from other countries

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  • INGRID LAVEVE
    5.0 out of 5 stars Parfaite
    Reviewed in France on 23 December 2024
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    SUPER CONFORTABLE J'ADORE
    Report
  • DUBOS
    5.0 out of 5 stars conforme à la description
    Reviewed in France on 30 April 2025
    Size Name: Super King - (180cm x 200cm x 10cm)Verified Purchase
    très bon produit qui change mes nuits
    Report
  • Magali
    4.0 out of 5 stars Manque de l'épaisseur.
    Reviewed in France on 1 July 2023
    Size Name: Double - (137cm x 190cm x 10cm)Verified Purchase
    Niveau prix c'est correct, l'article est bien sauf pour l'épaisseur je pensais que c'était un peu plus épais.
    Report
  • XANA 89
    5.0 out of 5 stars Très confortable et pratique, je recommande fortement
    Reviewed in France on 4 August 2024
    Size Name: Single - (90cm x 190cm x 10cm)Verified Purchase
    Mon fils avait du mal a dormir car son matelat étais trop dur et avec le surmatelat il dors comme un bébé! Je valide
    Report
  • anne56
    5.0 out of 5 stars Sur matelas qui adoucit un matelas dur
    Reviewed in France on 15 August 2024
    Size Name: Super King - (180cm x 200cm x 10cm)Verified Purchase
    Je l ai acheté car mon matelas est vraiment dur et me donne des douleurs dans le dos Depuis 2 ans je me levais avec des difficultés
    Après la première nuit, rien à voir ! mes douleurs se sont estompées
    Je l ai acheté en lisant les commentaires et j ai bien fait !
    Report