10 Best 4 Inch Thick Super Soft Mattress Topper in The UK

Last updated on 02/08/2025
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1
9.9
Exceptional
Sleepy Owl 10cm Memory Foam Mattress Topper SUPER KING Bed, 4 Inch Thick Gel Infused Orthopedic Mattress Pad, Removable Washable with Elastic Straps (Super King 180x200, 10 cm)
Sleepy Owl
Sleepy Owl 10cm Memory Foam Mattress Topper SUPER KING Bed, 4 Inch Thick Gel Infused Orthopedic Mattress Pad, Removable Washable with Elastic Straps (Super King 180x200, 10 cm)
Why We Love It
  • Perfect balance of softness.
  • Hypoallergenic and pain relieving.
  • Breathable for comfortable sleep.
Main Highlights
  • GEL INFUSED DUAL-LAYER HYBRID MEMORY FOAM TOPPER: The Memory Foam mattress topper provides the perfect balance of softness and firmness thanks to its double-layer structure consisting of gel and supporting foam. Other foam mattresses toppers may be too soft to provide support or too hard to be uncomfortable. This double layer system helps keeping the head rest area soft and supportive, making it suitable for back, side, abdomen and combined sleepers.
  • COMFORTABLE SLEEP: Our memory foam mattress topper is designed to provide a better sleeping experience. Its top is hypoallergenic, pain relieving and the cooling texture prevents extra heating.
  • BREATHABLE & HYPOALLERGENIC TOPPER: The topper cover is breathable and helps regulate temperature, ensuring a comfortable sleep. It also helps reduce moisture and sweating formation, making it ideal for those who suffer from night sweats.
  • NON-SLIP & WASHABLE ZIPPED COVER: The easily removable cover with zipper is machine washable, which means you can wash it regularly and the topper will last longer, avoiding the need of frequent disposal of the mattress topper and waste accumulation. It has four corner elastic straps design which help keep the mattress topper from sliding.
  • SİZE: Single 90 x 190 / Small Double 120 x 190 / Double 135 x 190 / King 150 x 200 / Sup-King 180 x 200
9.9
Exceptional
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2
9.8
Exceptional
Silentnight Ultimate Deep Sleep 10cm Mattress Topper Double Bed - Luxury 4 Inch Thick Soft Mattress Enhancer Pad with Easy Fit Straps – Hypoallergenic and Machine Washable – Double – 190x135cm
Silentnight
Silentnight Ultimate Deep Sleep 10cm Mattress Topper Double Bed - Luxury 4 Inch Thick Soft Mattress Enhancer Pad with Easy Fit Straps – Hypoallergenic and Machine Washable – Double – 190x135cm
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Why We Love It
  • Cloud-like cushioned comfort.
  • Rejuvenates any mattress.
  • Hypoallergenic and washable.
Main Highlights
  • ULTRA DEEP: 10cm depth for cloud like cushioned comfort so you can experience a deeper sleep
  • ULTIMATE COMFORT: The quilted cover features internal walls to ensure the gently supportive filling stays in great shape and is always plump
  • ENHANCES YOUR MATTRESS: Rejuvenate any mattress by adding an extra 10cm of comfort for you to sink into
  • EASY FIT STRAPS: The easy fit straps provide a secure fit
  • HYPOALLERGENIC AND MACHINE WASHABLE: Kind to skin and does not include any contents likely to cause allergies and Fully machine washable so you can keep enjoying a deep sleep
9.8
Exceptional
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3
9.7
Exceptional
Vesgantti 4 Inch Memory Foam Mattress Topper Double, Gel & Bamboo Charcoal Infused Bed Topper for Cooling Sleep & Pressure Relieving, with Washable Cover-135 x 190 x 10CM
Vesgantti
Vesgantti 4 Inch Memory Foam Mattress Topper Double, Gel & Bamboo Charcoal Infused Bed Topper for Cooling Sleep & Pressure Relieving, with Washable Cover-135 x 190 x 10CM
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Why We Love It
  • Cooling and odor-resistant design.
  • Superior support and comfort.
  • Non-slip and washable cover.
Main Highlights
  • 【Dual-Layer & Ventilated Design】This 4 inch mattress topper features a 2-Layer design that includes 2”gel infused memory foam and 2” bamboo charcoal infused memory foam. Cooling gel foam can help to prevent overheating and maintain a cooler temperature than ordinary memory foam; Bamboo charcoal foam can help to absorb moisture and eliminate odors. The whole mattress topper is crafted with breathable open-cell ventilation design
  • 【Superior Support & Comfort】 High-density memory foam can conform to your curves and distribute weight evenly to align the spine and alleviate pressure points. It provides ideal air circulation and helps to eliminate motion transfer, ensuring you fall asleep easily and stay asleep throughout the night
  • 【Non-slip & Washable Cover】 The breathable cover adopts skin-friendly knitted fabric that combines silky smoothness with exceptional breathability. The easily removable cover is machine washable, which means you can keep it clean and the topper will last longer to some extent, eliminating the need to frequent disposal of the mattress topper and causing waste. It has four corner elastic straps design which help keep the mattress topper from sliding
  • 【Affordable & Multi-use】 A good mattress topper can make your old mattress refreshed. Replacing quality mattresses can be expensive, but a mattress topper is affordable and able to add a further layer of optimal support to your mattress. Suitable for sofa bed, guest bed, caravan, college dorms, Tatami, camping and more.The memory foam topper comes in 2, 3, 4-inch profiles so you can select your favorite height that suits your preferred firmness
  • 【Instructions & Service】 Vacuum sealed and neatly rolled in a box. Smaller size, easy to carry, inflate in 10 seconds after unpacking, please allow up to 24-48 hours to fully expand ( Please note: Once you unwrap the topper, it will expand to its original size and cannot be rolled back again) Vesgantti offers you a 100 night trial and is dedicated to ensuring excellent customer service
9.7
Exceptional
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4
9.6
Superb
Bedbric Super King Mattress Topper 4 Inches Thick - Soft & Fluffy Quilted Mattress Topper Super Kingsize Bed - Hypoallergenic Mattress Toppers with Elastic Straps
Bedbric
Bedbric Super King Mattress Topper 4 Inches Thick - Soft & Fluffy Quilted Mattress Topper Super Kingsize Bed - Hypoallergenic Mattress Toppers with Elastic Straps
Why We Love It
  • Optimal support for good sleep.
  • Luxurious diamond cut quilting.
  • Stable with anti-skid straps.
Main Highlights
  • Bedbric 10cm – 4inches thick ultra-soft superking mattress toppers. A supportive mattress topper super kingsize bed for a good night slumber. Sleep better, feel healthier.
  • This breathable mattress topper super king is made from high-grade skin-friendly microfiber. Filling of our luxury mattress toppers ensure proper airflow and prevent night sweating.
  • Our mattress topper is made up with 100% Organic Super Soft and Fluffy filling, most suitable for people having back ache because of tightness of the bed. After installing this matress topper, your mattress will become much softer instantly. The extra fluffy super king size mattress toppers will help alleviate fatigue caused by stress or prolonged work without enough sleep.
  • Quilted in Luxurious Diamond cuts, these superking mattress topper 10cm with inner border support provide extra comfort and durability. Careful stitching prevents the filling from shifting & makes it the best mattress topper.
  • Surrounded by four high-quality anti-skid elastic straps, this bed topper keeps its position on the bed while you are sleeping.
9.6
Superb
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5
9.6
Superb
4-Inch Double Mattress Topper - Extra Thick Quilted Design, Super Soft Filling & Embossed Fabric | Bed Topper with Elastic Straps for Secure Fit | Breathable, Machine Washable | Plush Comfort Support
D & G THE DUCK AND GOOSE CO
4-Inch Double Mattress Topper - Extra Thick Quilted Design, Super Soft Filling & Embossed Fabric | Bed Topper with Elastic Straps for Secure Fit | Breathable, Machine Washable | Plush Comfort Support
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Why We Love It
  • Cloud-like comfort for restful sleep.
  • Perfect support for pressure points.
  • Durable fit, no slipping guaranteed.
Main Highlights
  • 4-Inch Extra-Thick Mattress Topper for Cloud-Like Comfort: Experience unparalleled softness with our generously filled 1200gsm microfiber topper, 40%-50% thicker than standard options. It transforms your firm mattress into a plush haven, embracing your body for a restful, cloud-like sleep.
  • Balanced Deluxe Comfort for Restful Sleep: Designed to harmonize softness and support, this topper alleviates pressure points—shoulders, back, and hips—providing immediate relaxation and promoting uninterrupted, restorative sleep throughout the night.
  • Premium Hotel-Quality Materials with Exquisite Craftsmanship: Certified by Oeko-Tex Standard 100, the odor-free topper features a high-count, floral-embossed microfiber cover, offering a soft touch and elegant appearance. Overfilled with fluffy, plush down-alternative microfibers and finished with delicately stitched edge piping, it adds a luxurious feel to your bedding.
  • Secure Fit with Durable Elastic Anchors: Equipped with strong elastic anchors at each corner, this double mattress topper ensures a snug fit on mattresses ranging from 6 to 22 inches deep. The anchor bands prevent slippage, maintaining the topper's position for consistent comfort.
  • User-Friendly Care Instructions for Longevity: Upon unpacking, allow the mattress topper to expand and plump for 24-48 hours. It's machine washable for effortless maintenance. To extend its lifespan, consider placing a sheet over it to minimize frequent washing.​
9.6
Superb
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6
9.6
Superb
Save 10%
4AS Supersoft Mattress Topper Super Kingsize Bed - 1100 GSM Filling 4 Inch (10cm) Thick Mattress Topper with Elasticized Corner Straps - White (Super King 183x200 cm)
4AS
4AS Supersoft Mattress Topper Super Kingsize Bed - 1100 GSM Filling 4 Inch (10cm) Thick Mattress Topper with Elasticized Corner Straps - White (Super King 183x200 cm)
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Why We Love It
  • Perfect size for elegant look.
  • Hypoallergenic for sensitive skin.
  • Secure fit with corner straps.
Main Highlights
  • PERFECT SIZE - 4AS premium super king mattress topper measures 183x200cm and 10cm thick, made with soft microfiber material. It gives your mattress an elegant look
  • ANTI-ALLERGY - Our extra thick mattress topper is designed with hypoallergenic material to provide a soft and comfortable surface that's gentle on your skin and safeguards against allergens
  • ELASTIC CORNER STRAPS - Our matress topper comes with elasticized corner straps that securely hold the topper in place, preventing any movement during the night. It is very easy to install
  • SOFT AND GENTLE - Our superking mattress toppers are super soft, made of 100% microfibre filling, gently supporting your body for a more restful sleep experience
  • CARE INSTRUCTIONS - Our firm mattress topper is machine washable so you can keep enjoying a deep sleep ensuring your topper stays fresh and clean. Do not use bleach
9.6
Superb
Save 10%
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7
9.4
Superb
Save 46%
ACRALI HOME Luxury Thick Mattress Topper Double Bed – 4 Inch Extra Thick, Hotel Quality, Quilted and Breathable Topper with Elasticated Corner Straps for Superior Comfort and Fit
ACRALI HOME
ACRALI HOME Luxury Thick Mattress Topper Double Bed – 4 Inch Extra Thick, Hotel Quality, Quilted and Breathable Topper with Elasticated Corner Straps for Superior Comfort and Fit
46% Off
Why We Love It
  • Eco-friendly manufacturing loves Earth.
  • Hypoallergenic with luxurious comfort.
  • Versatile for varied usage.
Main Highlights
  • ✅Quilted Deep Soft: Get cozy with our 137cm x 190cm x 10cm mattress topper double bed thick, designed with quilted soft foam for unparalleled softness. This soft mattress topper ensures a cozy sleeping experience, and its 4 corner straps provide a snug, secure fit, promising a restful night's sleep.
  • ✅Hypoallergenic & Breathable: Indulge in the ultimate sleeping experience with our bed topper double, designed for sensitive skin. Double mattress toppers feature hypoallergenic technology and breathable fibers, ensuring a lavish feel like finest hotel linens, for a restful and dreamy night's sleep.
  • ✅10cm Thickness: Upgrade your sleep with our 10cm thick mattress topper double, engineered for superior comfort. This double mattress topper delivers an additional layer of cushioning, enveloping your bed in plush comfort for a deeply restful night's sleep.
  • ✅Made in Green Certified: Experience the perfect blend of comfort and sustainability with our certified made in Green mattress toppers double size bed. Made from eco-friendly memory foam, our double bed mattress topper are designed for those who prioritize a greener planet without compromising on quality and comfort.
  • ✅Versatile Use: Maximize comfort and versatility with our double bed mattress toppers, designed to fit not just double beds, but also sofa beds, caravans, and campervans. Whether you're at home or on the go, our double bed toppermattress topper double bed thick provides the ultimate sleeping solution for a comfortable and supportive night's sleep.
9.4
Superb
Save 46%
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8
9.3
Superb
HIGH LIVING Microfibre Mattress Topper 4 Inch/10cm Supersoft Heavy Fill Single Double King SuperKing Box Stitched and Elasticated Corner Straps (Double)
HIGH LIVING
HIGH LIVING Microfibre Mattress Topper 4 Inch/10cm Supersoft Heavy Fill Single Double King SuperKing Box Stitched and Elasticated Corner Straps (Double)
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Why We Love It
  • Quality material increases comfort.
  • Corner straps prevent slipping.
  • Hypoallergenic and machine washable.
Main Highlights
  • Highliving Mattress Toppers are made of premium quality material. Made up of 100% polyester fiber that gives you cozy feel. It provides extra plush padding and support for your shoulders and hips.Filled with 100% polyester virgin hollow fibre.
  • Our Mattress Topper comes wit elasticized corner straps which are best thing to prevent topper from slipping and gives a snug fit and providing consistent comfort. Start your restful sleep from a great down alternative mattress topper. Easy to install with on/off elastic bands.Toppers are 4 inch or 10 cm thick approximately.
  • High Living mattress topper comes in different sizes perfectly fits to your mattress like mattress topper double size, king size mattress topper, mattress topper single and super king mattress topper. SINGLE: 90cm X 190cm approx. DOUBLE: 137cm X 190cm approx. KING: 150cm X 200cm approx. SUPER KING: 183cm X 200cm approx.
  • Our bed toppers are made up of hypoallergenic material that ensures the prevention of allergy causing bacteria and dust-mites. Ideal choice for people suffering from any allergy because it stops the growth of mold, bacteria or other allergens.
  • Maintenance of microfiber mattress toppers is very simple. Machine washable below 40 degrees. Washable with similar colors & choose the most gentle washing way. Add only comfort and no worries.
9.3
Superb
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9
9.2
Superb
4 Inch Thick Super Soft Mattress Topper - Small Double
groundlevel.co.uk
4 Inch Thick Super Soft Mattress Topper - Small Double
Why We Love It
  • Super soft and cozy.
  • Hypoallergenic and skin-friendly.
  • Machine washable and convenient.
Main Highlights
  • SUPERSOFT AND THICK: Our mattress topper provides you with a dreamy sleeping experience. It has been made with a fluffy microfiber filling which provides an incredibly cozy feel and gives the most relaxing sleep. The cover of this topper is made from a microfiber fabric that gives extra softness against your skin. With this mattress topper, you can help prolong the life of your mattress and give yourself an extra layer of luxury to sleep on.
  • CLOUD LIKE COMFORT: Groundlevel’s super soft mattress toppers are well known for their premium quality and comparison to sleeping on a cloud. These mattress toppers are hypoallergenic which means they are kind to skin and do not include anything likely to cause allergies
  • QUILTED STITCHING: Groundlevel uses premium, high-quality materials and components ensuring you the most comfortable sleeping experience. The mattress toppers have a box stitch design holding the filling in place and keeping it evenly distributed. These toppers naturally allow air to pass through keeping your bed cool and dry for the optimum nights sleep.
  • EASY CARE: These toppers are easy to care for and can be machine washed. To ensure a great fit, there are strong elasticated bands on each corner of the topper. Simply fit these over your mattress to ensure the topper does not move around on your bed. We recommend using a separate sheet with this topper to avoid soiling
9.2
Superb
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10
9.2
Superb
Save 23%
MightySoft Mattress Topper Double Bed 10cm Thick - Quilted, Extra Deep, Ultra Fluffy and Breathable Microfiber Topper, Securely Fits with Elastic Straps, Enhances Comfort & Supports Restful Sleep
MightySoft
MightySoft Mattress Topper Double Bed 10cm Thick - Quilted, Extra Deep, Ultra Fluffy and Breathable Microfiber Topper, Securely Fits with Elastic Straps, Enhances Comfort & Supports Restful Sleep
23% OffFree Shipping
Why We Love It
  • Cloudlike comfort for restful sleep.
  • Secure fit prevents sliding.
  • Hypoallergenic for allergy-friendly use.
Main Highlights
  • 𝐂𝐥𝐨𝐮𝐝𝐥𝐢𝐤𝐞 𝐒𝐥𝐞𝐞𝐩 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: Made with breathable microfiber, MightySoft double 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 white mattress toppers double size 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 double bed 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 double bed topper fresh, clean, and long-lasting.
  • 𝐒𝐧𝐮𝐠 & 𝐒𝐞𝐜𝐮𝐫𝐞 𝐅𝐢𝐭: The MightySoft 10cm mattress topper double bed thick features strong elastic corners for a tight and secure fit on most standard mattresses —no more slipping, sliding, or bunching during the night.
  • 𝐇𝐲𝐩𝐨𝐚𝐥𝐥𝐞𝐫𝐠𝐞𝐧𝐢𝐜 𝐂𝐨𝐦𝐟𝐨𝐫𝐭: Crafted with ultra-soft, hypoallergenic materials, MightySoft double mattress toppers 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, our double mattress topper thick adds a plush layer of softness and support. The quilted double bed topper design evenly distributes fill for consistent comfort and better sleep throughout the night.
  • 𝐁𝐫𝐞𝐚𝐭𝐡𝐚𝐛𝐥𝐞 𝐚𝐧𝐝 𝐏𝐞𝐚𝐜𝐞𝐟𝐮𝐥 𝐒𝐥𝐞𝐞𝐩: Mightysoft offers a diamond-quilted design that promotes airflow and maintains an ideal sleep temperature. Our soft double bed toppers mattress toppers stay quiet all night—no rustling sounds or overheating, just peaceful rest.
  • 𝐀𝐟𝐟𝐨𝐫𝐝𝐚𝐛𝐥𝐞 𝐋𝐮𝐱𝐮𝐫𝐲 𝐔𝐩𝐠𝐫𝐚𝐝𝐞: Enjoy a luxurious sleep experience without replacing your mattress. Mightysoft double matress topper offers plush comfort and warmth at an affordable price, giving you value without compromise.
  • 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞𝐝: The MightySoft team is committed to your comfort. Our double mattresses topper comes with a satisfaction guarantee. If you face any issue or have a question, reach out and we’ll ensure you’re fully taken care of.
9.2
Superb
Save 23%
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