Symple Stuff Memory Foam Mattress, 20cm Deep - Firm & Reviews

Memory Foam Mattress, 20cm Deep - Firm, Small Double (4')

Bank Holiday Clearance

Customer Reviews

Rated 4.4 out of 5 stars

256 Reviews

Customers say

Customers praise the product's comfort, value, firmness, and quality, finding it exceptionally comfortable and good value for money. Many appreciate its firmness, providing good support. However, some experienced mixed feelings regarding style and material, with a few noting minor issues with the product's construction. Speedy delivery was also a frequent positive comment.

AI-generated from customer reviews

Showing 1-5 of 256 reviews

Filter by keyword

Most relevant

Sort By

Rated 1 out of 5 stars

VikrantLondon, GB

This mattress won't last you more than 2 years.

02/08/2026

Rated 5 out of 5 stars

AlexTonbridge, GB

Exactly how described no issues no problems

31/07/2026

Rated 5 out of 5 stars

Anonymous

Super comfortable mattress, great to sleep on and feels great! Fit my bed perfectly and has a good thickness to it

02/06/2026

Rated 5 out of 5 stars

HeatherStanley, GB

This is the best mattress I have ever purchased. So comfortable For my back. A good nights sleep is so important and this mattress delivers. Top class customer service from ordering to delivery

28/04/2026

Rated 4 out of 5 stars

Anonymous

Got this mattress 4 years ago, still very firm and such a good mattress

08/04/2026

At a Glance

Core Construction: Memory Foam

General Features: Orthopaedic Features

Mattress Thickness: 20 cm

Comfort Level: Firm

Size:

Small Double (4')

About This Product

This Memory foam mattress is made from an upper layer of memory foam. It is soft and pliable following the outline of your body perfectly. It provides the best possible support to your body's spine allowing your body to immediately find the best possible sleeping position.

Features

Dual-Layer Comfort System: Features a 5 cm memory foam comfort layer over a robust 15 cm firm reflex foam core - combining pressure relief and support in one mattress.
Adaptive Pressure Relief: The top memory foam conforms around shoulders, hips, and curves to reduce pressure points and promote better spinal alignment.
Supportive Core Construction: The 15 cm firm foam foundation delivers resilient support that prevents sagging, maintains shape, and supports deeper sleep.
Breathable, Removable Zip Cover: Comes with a fully zippered, soft-to-the-touch cover that’s easy to remove and machine wash - keeping your sleep surface fresh and hygienic.
Edge-to-Edge Support & Motion Reduction: Engineered to provide consistent support across the mattress surface while minimizing motion transfer - ideal for couples and restless sleepers.

Details

Removable Cover Type: Zip Cover
Removable Cover Features: Washable Cover
Mattress Size: Small Double (4')
Material Composition: memory foam, reflex foam, polyester
Machine Wash Degree: 40 Celsius degrees
Number of Springs: 0
Mattress Outer Material: Stretch
Comfort Zones: No
Weight Capacity: 199.58kg
Mattress Packaging: Rolled in plastic
Recyclable: No
Comfort Level: Firm
Core Construction: Memory Foam, Foam
Comfort Layer Detail: Memory Foam
General Features: Orthopaedic Features, Low Motion Transfer
Durability: Bed Bug Resistant, Fire Resistant
Adjustability Features: Rotating
Removable Components: Cover
Compatible With: Adjustable Bed Base

100-Night Free Trial

We believe in great sleep, guaranteed.

That's why every mattress you purchase from Wayfair.co.uk comes with a 100-Night Trial. Adjusting to a new mattress takes time so try yours for up to 100 nights. If you don't love your new mattress within the first 100 nights, contact our mattress experts to arrange a return. Please note this excludes Mattress Toppers, Cot Mattresses, Air Mattresses, and Open Box Mattresses. You may return or exchange a mattress once per order.

Learn More

Customer Reviews

Customers say

Get Everything You Need

Deep Fitted Anti-Allergy Mattress Protector 40 cm

Silentnight Deep Sleep All Seasons Duvet - 10.5 & 4.5 Tog - 3 Duvets in One

Polyester Medium Support Pillow

Luxurious Hotel Quality 10cm Mattress Topper – Extra Thick, Plush Comfort & Supportive Sleep Upgrade

At a Glance

Memory Foam Mattress, 20cm Deep - Firm

100-Night Free Trial

Customer Reviews

Customers say

Get Everything You Need

Deep Fitted Anti-Allergy Mattress Protector 40 cm

Silentnight Deep Sleep All Seasons Duvet - 10.5 & 4.5 Tog - 3 Duvets in One

Polyester Medium Support Pillow

Luxurious Hotel Quality 10cm Mattress Topper – Extra Thick, Plush Comfort & Supportive Sleep Upgrade

At a Glance

Description

Specifications

Return Policy

Memory Foam Mattress, 20cm Deep - Firm

100-Night Free Trial