slily
12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm
FoxVerdict Score
Based on 16 evidence items and 1 offer.
ASIN: B0D4QCGJPS
Summary
The 12 Inch King Size Mattress from slily is a 30cm-deep hybrid combining an independent pocket spring base with a gel memory foam top layer and dual-row reinforced edge coils, certified to CertiPUR-US standards. It is rated Medium firmness and holds a 4.6-star average across 1,001 reviews at the time of collection.
Key Features
Pros & Cons
Pros
- 7-zone independent spring design targets precise support from head to toe, marketed specifically for back pain relief
- Dual rows of reinforced edge coils on all four sides reduce sagging and the feeling of rolling off the edge
- CertiPUR-US certified memory foam supports the brand's health and safety claims
- 250kg stated weight limit is high relative to typical king mattresses
- Solid review base (1,001) at a 4.6-star average
Cons
- Only a Medium firmness is specified, with no alternative firmness stated for this listing
- Brand (slily) has less independent track record than more established mattress brands in this comparison
- Buyers should wait 2-3 days after unboxing before use, longer than some competitors' stated recovery time
Who Is It For?
Suitable For
- Buyers specifically seeking back-pain relief from a deep, quilted hybrid king mattress
- Those who sit or sleep near the mattress edge and want reinforced support there
- Heavier buyers wanting a mattress with a stated high weight limit
Avoid If
- You need a firmness other than Medium, since no alternative is offered in this listing
- You prefer a more established, longer-track-record mattress brand
FoxVerdict
Score 98/100This is a deep, competitively priced king hybrid positioned specifically for back-pain relief and edge stability, backed by CertiPUR-US certification and a solid review base, though the brand is less established than dosleeps or Vesgantti in this comparison.
Specifications
| Size | 5FT King (150 x 200 x 30cm) |
|---|---|
| Top style | Euro Top |
| Weight limit | 250 Kilograms |
| Fill material | Gel Memory Foam |
| Cover material | Polyester Blend |
| Special feature | Dual Edge Support, Low Motion Transfer, Orthopaedic, Pressure Relief, Temperature Regulating |
| Number of layers | 2 |
| Product dimensions | 2L x 1.5W x 0.3Th metres |
| Item firmness description | Medium |
Prices & Availability
Evidence Sources
The FoxVerdict Score and all editorial statements are derived from the following evidence.
Brand positioning statement
SLILY states mattresses are always photographed truthfully and that the article is certified harmless to human health. The brand positions itself around innovation and superior craftsmanship, providing high-quality mattresses at a competitive price for a more comfortable, safer and healthier night's sleep.
Supportive & comfortable dual-layer design
The 5ft king size mattress offers a dual-layer design combining an independent pocket spring base with a top layer of comfortable memory foam, giving a supportive yet spongy feel ideal for those who want medium firm support with hybrid comfort.
No back pain & pressure relief
Deep quilted and comfortable, ideal for those with back problems; the 7-zone independent spring design gives precise support to every part of the body from head to toe and returns to shape after use.
Cool & comfortable
Breathable fabric provides a cool sleeping surface, and the individually sprung system enhances airflow to help dissipate heat; the memory foam is CertiPUR-US certified.
Reinforced edge support
Dual rows of specially reinforced coils along the edge strengthen all four sides to prevent sagging and reduce the feeling of rolling off the edge when sleeping close to it.
100-night trial
The mattress is shipped compressed, vacuum-sealed and rolled; buyers should wait 2-3 days after opening the package before use, and each slily mattress comes with a 100-night trial.
Size
5FT King (150 x 200 x 30cm)
Top style
Euro Top
Weight limit
250 Kilograms
Fill material
Gel Memory Foam
Cover material
Polyester Blend
Special feature
Dual Edge Support, Low Motion Transfer, Orthopaedic, Pressure Relief, Temperature Regulating
Number of layers
2
Product dimensions
2L x 1.5W x 0.3Th metres
Item firmness description
Medium
Amazon product listing
https://www.amazon.co.uk/dp/B0D4QCGJPS
Frequently Asked Questions
What is the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
The 12 Inch King Size Mattress from slily is a 30cm-deep hybrid combining an independent pocket spring base with a gel memory foam top layer and dual-row reinforced edge coils, certified to CertiPUR-US standards. It is rated Medium firmness and holds a 4.6-star average across 1,001 reviews at the time of collection.
Is the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm worth buying?
This is a deep, competitively priced king hybrid positioned specifically for back-pain relief and edge stability, backed by CertiPUR-US certification and a solid review base, though the brand is less established than dosleeps or Vesgantti in this comparison.
What are the pros of the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
• 7-zone independent spring design targets precise support from head to toe, marketed specifically for back pain relief • Dual rows of reinforced edge coils on all four sides reduce sagging and the feeling of rolling off the edge • CertiPUR-US certified memory foam supports the brand's health and safety claims • 250kg stated weight limit is high relative to typical king mattresses • Solid review base (1,001) at a 4.6-star average
What are the cons of the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
• Only a Medium firmness is specified, with no alternative firmness stated for this listing • Brand (slily) has less independent track record than more established mattress brands in this comparison • Buyers should wait 2-3 days after unboxing before use, longer than some competitors' stated recovery time
Who should buy the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
Buyers specifically seeking back-pain relief from a deep, quilted hybrid king mattress. Those who sit or sleep near the mattress edge and want reinforced support there. Heavier buyers wanting a mattress with a stated high weight limit
Who should avoid the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
You need a firmness other than Medium, since no alternative is offered in this listing. You prefer a more established, longer-track-record mattress brand
How much does the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm cost?
The 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm is currently priced at £205.91. Check above for the latest price from UK retailers.
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