Best Mattress Protectors & Toppers — Memory Foam (2026)
4 mattress protectors & toppers matching material “Memory Foam”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Mattress Protectors & Toppers UK (2026) guide.

#1 Pick
Southern Foam 2 Inch Double Memory Foam Mattress Topper- Memory Foam
- Double
£50.00
Pros
- 2 inch depth adds cushioning without raising the bed height much
- UK-made memory foam softens pressure points overnight
- Budget-friendly way to refresh an ageing mattress
Cons
- Thinner profile gives less support than deeper toppers

#2 Pick
Southern Foam 3 Inch Double Memory Foam Mattress Topper- Memory Foam
- Double
Currently unavailable
Pros
- 3 inch depth strikes a balance between softness and support
- Memory foam moulds to the body to ease pressure points
- Elasticated corner straps keep the topper in place
Cons
- Takes a day or two to fully expand after unpacking

#3 Pick
Southern Foam 4 Inch Double Memory Foam Mattress Topper- Memory Foam
- Double
£90.00
Pros
- Deeper 4 inch profile gives noticeably plusher support
- Memory foam relieves pressure on hips and shoulders
- Suits older or firmer mattresses in need of a refresh
Cons
- Bulkier depth needs deeper fitted sheets to cover it

#4 Pick
Silentnight Cooling King Mattress Topper - Extra Thick 8cm Deep Memory Foam Cool Mattress Topper Pad Perfect for Overheaters Machine Washable Cover - King Bed- Memory Foam
- King
£159.99
Pros
- 8cm deep memory foam gives substantial extra cushioning
- Designed specifically for overheaters with a cooling cover
- Machine washable cover makes long-term care easier
Cons
- Premium price for a topper compared with budget cooling options
At a glance
- Products
- 4
- Price range
- £50.00–£159.99
- Average price
- £96.71
- Average rating
- 4.17 / 5
- Total reviews
- 4,698
- Top brand
- Southern Foam (3)
- Price tier split
- Budget0Mid-range2Premium2
- In stock
- 3
Looking for an extra layer of comfort and protection for your mattress? These memory foam mattress protectors & toppers are designed to cradle your body, providing superior support and reducing pressure points. Crafted from high-density memory foam, they conform to your individual contours, minimising motion transfer – perfect if you share a bed or simply want a more personalised sleep experience. The breathable design helps regulate temperature, keeping you cool throughout the night while shielding your mattress from spills, stains, and dust mites.
These protectors aren't just about comfort; they’re an investment in the longevity of your mattress. Memory foam is naturally resistant to wear and tear, and a protector adds another barrier against daily use and potential damage. Amazon offers a wide selection of memory foam mattress toppers and protectors in various thicknesses and sizes to suit different mattresses – find the perfect fit for your bedding.
These toppers are designed to complement all standard UK mattresses, providing immediate comfort while safeguarding against dust mites, allergens, and moisture. They’re an easy way to improve both sleep quality and overall hygiene, contributing to a healthier bedroom environment. Remember to check the specific dimensions of your mattress before purchasing to ensure a snug and effective fit.
FAQ
What thickness of memory foam is best for a mattress topper?
The ideal thickness depends on your personal preference. A 2-3 inch topper provides noticeable comfort and pressure relief, while 4 inches offers even greater cushioning. Consider the feel you desire – thinner toppers are more responsive, thicker ones provide deeper sink.
How does memory foam affect mattress temperature?
Memory foam is known for its ability to retain heat, but many toppers include a breathable cover to mitigate this. Look for toppers with gel-infused foam or open-cell structures to promote airflow and keep you cooler during sleep.
Will a memory foam protector damage my mattress?
When properly fitted, a memory foam protector shouldn’t cause any damage. Ensure the topper is not excessively thick and allows for easy movement of your mattress; always check the manufacturer's recommendations.
Can I use a memory foam topper with an adjustable bed?
Many memory foam toppers are suitable for adjustable beds, but it’s crucial to choose a topper with a low profile to avoid interference with the bed's movement. Check product descriptions for specific compatibility details.
How do I clean a memory foam mattress protector?
Most memory foam protectors can be spot cleaned with mild soap and water. Avoid submerging the entire topper in water, as this could compromise its structure. Always follow the manufacturer’s cleaning instructions.
What size memory foam mattress protector does my double bed need?
Double beds typically require a topper or protector around 140cm x 200cm (55in x 79in). However, always verify dimensions against your specific mattress's measurements to ensure an accurate fit.
Are memory foam protectors hypoallergenic?
Yes, memory foam is naturally resistant to dust mites and allergens. However, it’s important to regularly clean the protector to maintain its hygienic properties and prevent allergen buildup.
How does a memory foam topper compare to other mattress materials?
Memory foam offers superior pressure relief and contouring compared to traditional latex or fibre toppers. It's also more durable than some synthetic alternatives, providing long-lasting support.
What is the lifespan of a memory foam mattress protector?
With proper care, a good quality memory foam protector can last 5-10 years. Regular cleaning and avoiding excessive heat exposure will help prolong its lifespan.
Can I return a memory foam topper if it doesn't fit my bed?
Return policies vary depending on the seller (e.g., Amazon). Please refer to the product page for details regarding returns and exchanges – dimensions are key.