10 Best 5cm Mattress Toppers Of 2026
5cm Mattress Toppers — Reviews, Recommendations & Updated Buying Guide September 2026
Cotton Home Mattress Topper- 100x200x5cm White Supersoft
Why We Love It
Cotton Home Mattress Topper- 150x200x5cm White Supersoft
Why We Love It
Linenspa Gel Memory Foam Mattress Topper
Why We Love It
RISHAHOME Mattress Topper, Double L Size
Why We Love It
MKS Dream Comfort Gel Topper 180 x 200
Why We Love It
A&R Ar'S Hotel Quality(Microlite) Micro Fiber Mattress
Why We Love It
Hotel Linen Klub Super King Mattress Topper
Why We Love It
Soft Foam Mattress Topper (5cm Thickness)
Why We Love It
Zavora Homes Soft Foam Mattress Topper (5cm Thickness)
Why We Love It
Euro Sleep Cooling Gel Memory Foam Topper
Why We Love It
Quick Pick
10 Best 5cm Mattress Toppers Of 2026
Quick Pick
Cotton Home Mattress Topper- 100x200x5cm White Supersoft Hotel Luxury 600 GSM Extra Thick Bed Topper With Elastic Bands Fluffy Super Soft Topper Comfortable Breathable Foam
Cotton Home Mattress Topper- 150x200x5cm White Supersoft Hotel Luxury 600 GSM Extra Thick Bed Topper With Elastic Bands Fluffy Super Soft Topper Comfortable Breathable Foam
Linenspa Gel Memory Foam Mattress Topper - 5cm / 2 inch thick - with Zippered Cover - Oeko-Tex
RISHAHOME Mattress Topper | Double L Size | Soft White | Microfibre | 160x200x5 cm
MKS Dream Comfort Gel Topper 180 x 200, 5 cm Memory Foam Topper with Breathable Cover, Comfortable Gel Foam H3/H4 for Mattresses with Cooling Effect and Perfect Body Adaptation
A&R Ar'S Hotel Quality(Microlite) Micro Fiber Mattress Topper Thick 5 Cm,Box Stitched,Anti Allergenic (Single)
Hotel Linen Klub Super King Mattress Topper - 85 GSM Microfiber 1 cm Stripe Super Soft Fabric - 500 GSM Soft, Firm, and Extra Thick Fibersheet with 4 Sides Elastic Bands - Size: 200 x 200 cm, White
Soft Foam Mattress Topper (5cm Thickness) | Premium Knitted Fabric | Plush Comfort & Support | Breathable, Durable, Bed Topper (Single - 90 x 190 cm)
Zavora Homes Soft Foam Mattress Topper (5cm Thickness) | Premium Knitted Fabric | Plush Comfort & Support | Breathable, Durable, Bed Topper (Double - 140 x 200 cm)
Euro Sleep Cooling Gel Memory Foam Topper, Motion Isolation with Pressure Relief, Anti-Skid Surface, Enhanced Back Support & Extra Comfort, Single 90x190 cm, 5 cm
Buying Guide: 5cm Mattress Toppers
📋 Table of Contents
1What thickness is ideal for a 5cm mattress topper and who benefits most from it?
A 5cm mattress topper is best for mild comfort upgrades or short-term use, ideal for people with light to moderate pressure points or those looking to refresh their mattress without a full replacement. It’s less suitable for heavy sleepers or those with chronic back pain, who may need 8cm or more for proper support.
2What materials are commonly used in 5cm mattress toppers and what are their pros and cons?
Memory foam, latex, and polyurethane are common. Memory foam conforms well but can retain heat; latex offers breathability and responsiveness but is pricier; polyurethane is budget-friendly but less durable. Choose based on your climate, budget, and preference for firmness or contouring.
3How does a 5cm topper compare to thicker options in terms of comfort and support?
A 5cm topper offers minimal cushioning and is best for slight comfort adjustments, while thicker toppers (8cm+) provide more pressure relief and support. If your mattress is already firm, a 5cm topper may not significantly improve comfort, but it can add a layer of softness for a temporary upgrade.
4What should I look for in terms of density or firmness rating for a 5cm mattress topper?
Look for a density of at least 25-30 kg/m³ for memory foam or a medium-firm latex rating. Higher density offers better support and longevity. A softer topper may sink too much, while a firmer one may feel too rigid, so match the firmness to your existing mattress and sleeping position.
5Are there any common mistakes people make when buying a 5cm mattress topper?
Yes — buying too cheaply can lead to poor durability or off-gassing, and ignoring the topper’s compatibility with your mattress type (e.g., spring vs. memory foam). Also, assuming a 5cm topper will fix a sagging mattress is a mistake; it may only mask the issue rather than resolve it.
How we choose
Our editors are people who genuinely love testing and writing about products. We compare each product's real-world usability and strengths, then distill what matters most into our own "Why We Love It" points — so you get an honest, at-a-glance sense of what counts before you buy.