
Sweetnight CoolNest Ultra Memory Foam King Mattress 14 in
- King size, 14 inch memory foam
- Medium plush, 5 layers
- Gel memory foam comfort layer with PCMflux foam
- 7-zone full-body support
- 100-night trial
- CertiPUR-US certified, ACA endorsed
- 101.4 pounds, 80 x 76 inches
Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A medium plush king memory foam mattress with temperature-regulating foam, zone support and a trial period. The listing gives no warranty term or weight rating.
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ASIN: B0HFHGV24FCategory: Mattresses
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Overview
A gel memory foam comfort layer rests on high-density foam in a five-layer build, wrapped in a silk cover with a tight top. Zone support and a stable core are meant to hold the body level.
The reason to consider it is the pressure relief and low motion transfer from layered memory foam, backed by certifications and a trial. The limitation is the missing warranty term and weight rating.
Who it's for
Couples or restless sleepers on a king frame, wanting foam that absorbs movement, match this mattress. Heavier sleepers who need a stated maximum load, or anyone who likes a spring feel, should look elsewhere.
Pros and cons
- Low motion transfer
- Temperature-regulating foam layers
- Pressure relief from gel memory foam
- Works on box spring, slats or foundation
- Weight capacity not listed
- Medium plush feel only
- Heavy to maneuver alone
Performance notes
Memory foam conforms to body shape and absorbs motion, so movement on one side is less likely to reach the other. Gel memory foam and temperature-regulating PCMflux foam aim to carry heat away from the sleeper. The layered core underneath supports the hips and shoulders in zones.
Specifications
| Brand | Sweetnight |
|---|---|
| Dimensions & fit | |
| Size | King (U.S. Standard) |
| Dimensions (L x W x thickness) | 80 x 76 x 14 inches |
| Item weight | 101.4 pounds |
| Construction & materials | |
| Mattress Comfort Layer Material | Gel memory foam |
| Cover Material | Silk, tight top |
| Compatibility & installation | |
| Mattress base compatibility | Box spring, slatted base, solid foundation |
| Included components | |
| Included Components | Mattress, instruction manual, mattress opener |
| Other details | |
| Item Thickness | 14 incheshigher than 86% of 37 mattresses |
| Item Firmness Description | Medium plush |
| Number of Layers | 5 |
| Certifications | CertiPUR-US, ACA endorsed |
| Trial period | 100 nights |
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Frequently asked questions
Will the Sweetnight CoolNest Ultra King fit a standard king frame?
The listing gives King (U.S. Standard) at 80 by 76 inches and 14 inches thick. Check the frame's inner dimensions against those figures.
What bases can the CoolNest Ultra King sit on?
The specs list a box spring, a slatted base and a solid foundation as compatible.
What comes with the CoolNest Ultra King?
The specs list the mattress, an instruction manual and a mattress opener.


