Best Slumbercool Mattress King Mattresses: 2 Spec-Based Picks
We compare 2 Slumbercool king mattresses using only published specifications. Review coil counts, firmness levels, and thickness to find the right bed for your sleep style.
5 min read
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Finding the best slumbercool mattress king mattresses requires looking at the published specs. We compared 2 models to help you choose based on data, not marketing. Our top pick is the Slumbercool MAX 3Z Medium King Mattress. It leads because its 13-inch height and 884 pocketed coils offer balanced support for couples. Each selection here relies strictly on the specifications provided by the manufacturer. This guide helps you decide which mattress matches your specific sleep needs and room dimensions.
Choose Firmness Based on Sleep Style
Your choice depends on firmness and thickness. The MAX 3Z Medium offers a 13-inch profile with balanced support for couples. The MAX Hybrid 3Z Pro Plush provides a 14-inch height with gel cooling for side sleepers. Check the firmness rating first. Match the thickness to your bed frame height. This ensures proper support and comfort for your specific needs.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Slumbercool MAX 3Z Medium King Mattress Best overall | couples and combination sleepers needing balanced support | |
| 2 | SlumberCool MAX Hybrid 3Z Pro Plush King Mattress Best plush | side sleepers wanting plush comfort |
The best fit for you
- You want balanced support for couples and combination sleepers – Slumbercool MAX 3Z Medium King Mattress – It features 884 pocketed coils and three zoned layers for balanced support.
- You are a side sleeper wanting plush comfort and pressure relief – SlumberCool MAX Hybrid 3Z Pro Plush King Mattress – It offers plush comfort with 1,044 coils and cooling gel for pressure relief.
- You prefer a medium firmness level for general use – Slumbercool MAX 3Z Medium King Mattress – This model provides a medium feel with a 13-inch thickness.
Slumbercool MAX 3Z Medium King Mattress
Best for: couples and combination sleepers needing balanced support
- Size
- King
- Mattress Size
- King
- Thickness
- 13 inches
- Firmness
- Medium
- Coil Type
- Pocketed coils
- Cooling Tech
- GlacierTex MAX, Gel Memory Foam
This 13-inch King mattress pairs an 884 pocketed-coil core with targeted three-zone support. You get a GlacierTex MAX cover and a TheraGEL lumbar band that balances shoulder and hip alignment. Its medium firmness provides balanced resistance and motion isolation, making it suitable if you switch sleep positions or share your bed with a partner.
- 884 individually wrapped pocketed coils isolate motion
- Three-zone design with dedicated TheraGEL lumbar support
- GlacierTex MAX cover with AirFiber quilting promotes airflow
- Fiberglass-free construction compatible with adjustable bases
- Weighs 115 pounds, making it difficult to lift or rotate alone
- Has a lower 13-inch profile than 14-inch hybrid models on the list
- You want a balanced medium feel suited for multiple sleeping positions.
- You need targeted lower-back reinforcement without an overly firm surface.
- You share a King bed and want pocketed coils to limit motion transfer.
- You prefer an extra-deep plush top with a softer sink.
- You want a taller 14-inch profile for your bed frame.
Verdict: Slumbercool MAX 3Z Medium King Mattress delivers balanced support across 884 pocketed coils and three zoned layers for couples and combination sleepers.
SlumberCool MAX Hybrid 3Z Pro Plush King Mattress
Best for: side sleepers wanting plush comfort
- Size
- King
- Mattress Size
- King
- Thickness
- 14"
- Firmness
- Plush
- Mattress Type
- Hybrid
- Coil Type
- Pocketed coils
This 14-inch hybrid mattress offers plush comfort with a GlacierTex MAX cooling cover and gel memory foam. It uses 1,044 pocketed coils in a 3Z support system to lift the lower back and stabilize edges. The TheraGEL foam adds mineral-infused contouring. At 130 pounds, it is a substantial build for a King size. It suits sleepers who want deep pressure relief and a cool surface.
- 14-inch height for substantial cushioning
- 1,044 pocketed coils for edge support
- GlacierTex MAX cooling cover with extra yarns
- TheraGEL mineral-infused memory foam
- 130-pound weight makes it heavy to move
- Plush firmness may not suit back sleepers
- You prefer a deep, plush sleep surface
- You need strong lower back support
- You sleep hot and want cooling yarns
- You prefer a firm, supportive feel
- You need a lightweight mattress for frequent moves
Verdict: Slumbercool MAX 3Z Pro Plush King delivers plush comfort with 1,044 coils and cooling tech. It fits side sleepers who want pressure relief and a cool surface.
Specifications side by side
| Spec | Slumbercool MAX 3Z Medium King Mattress | SlumberCool MAX Hybrid 3Z Pro Plush King Mattress |
|---|---|---|
| Mattress Size | King | King |
| Thickness | 13 inches | 14" |
| Firmness | Medium | Plush |
| Mattress Type | – | Hybrid |
| Coil Type | Pocketed coils | Pocketed coils |
| Cooling Tech | GlacierTex MAX, Gel Memory Foam | GlacierTex MAX, Gel Memory Foam |
| Features | Cooling Gel, Pocket Coils, Motion Isolation | Cooling Gel, Pocket Coils, Motion Isolation |
| Use | Pressure Relief | Pressure Relief |
| Size | King | King |
| Dimensions | 80 × 76 × 13 inches | 80 × 76 × 14 inches |
| Weight | 115 pounds | 130 pounds |
| Color | Black & White | Black & White |
| Model | MAX-MED-K | HYB-PROFIRM-CK |
How to Choose the Right King Mattress
Match Firmness to Sleep Style
Select firmness based on your primary sleeping position. Side sleepers often need plush surfaces to relieve pressure on hips and shoulders. The Slumbercool MAX Hybrid 3Z Pro Plush offers this soft feel with gel cooling. Combination sleepers or couples may prefer medium support for balanced alignment. The MAX 3Z Medium provides this neutral feel. Check the firmness rating in the specs to ensure it matches your body weight and sleep habits for proper spinal support.
Check Mattress Thickness
Thickness affects how the mattress feels and fits in your bedroom. Thicker profiles often provide more cushioning and deeper support layers. The MAX 3Z Medium stands at 13 inches, offering a standard height for easy bed sheet fitting. The MAX Hybrid 3Z Pro Plush is slightly taller at 14 inches. This extra inch may provide additional comfort layers for heavier individuals. Measure your bed frame clearance to ensure the height works with your existing bedding and furniture arrangement.
Evaluate Coil Count
Pocketed coil counts influence support and motion isolation. Higher counts generally mean more targeted support across the surface. The MAX 3Z Medium includes 884 pocketed coils for consistent support. The MAX Hybrid 3Z Pro Plush features 1,044 coils for enhanced durability and pressure relief. More coils can help reduce motion transfer between partners. Compare these numbers if you share your bed with a restless sleeper or prefer a more structured feel under the comfort layers.
Consider Weight and Handling
Mattress weight impacts setup and rotation. Heavier models require more effort to move. The MAX 3Z Medium weighs 115 pounds, making it manageable for one person to rotate. The MAX Hybrid 3Z Pro Plush is heavier at 130 pounds due to its additional coil count and materials. Plan for two people during setup if you choose the heavier option. This weight difference is negligible for long-term use but matters during initial placement and future repositioning.
Review Size Dimensions
All listed models are King size, measuring 76 inches wide by 80 inches long. This standard width provides ample space for couples. Ensure your bedroom has enough clearance around the bed for movement. The consistent length fits standard King sheets. Verify that your existing bed frame supports the width and weight. Both models share these exact dimensions, so space planning remains the same regardless of firmness or thickness choice.
Frequently asked questions
Which Slumbercool King mattress is best for couples?
The Slumbercool MAX 3Z Medium King Mattress is the best overall choice for couples. It features 884 pocketed coils and three zoned layers to provide balanced support. This design helps stabilize movement and accommodates combination sleepers who change positions. Its 13-inch height and medium firmness create a stable surface for two people.
Is there a plush option in the Slumbercool King lineup?
Yes, the Slumbercool MAX Hybrid 3Z Pro Plush King Mattress offers a plush feel. It contains 1,044 coils and uses cooling gel technology to maintain a cool surface. This model is ideal for side sleepers who need pressure relief on hips and shoulders. Its 14-inch height provides extra cushioning compared to other options.
How thick are the Slumbercool King mattresses?
The Slumbercool King mattresses range from 13 to 14 inches in thickness. The MAX 3Z Medium model stands at 13 inches tall. The MAX Hybrid 3Z Pro Plush model is slightly taller at 14 inches. This extra height in the plush version adds to its pressure-relieving comfort layer for side sleepers.
Do these mattresses use pocket coils?
Both top picks use pocketed coil systems for support. The MAX 3Z Medium includes 884 pocketed coils. The MAX Hybrid 3Z Pro Plush features 1,044 coils. These individual coils respond independently to your body shape, which helps isolate motion and provide targeted support across the 76-inch width of the King size.
Which Slumbercool King mattress is best for side sleepers?
The Slumbercool MAX Hybrid 3Z Pro Plush King Mattress is best for side sleepers. Its plush firmness level relieves pressure on hips and shoulders. The 1,044 coils and cooling gel enhance comfort and temperature regulation. This combination ensures a soft surface that contours to your body while keeping you cool throughout the night.
What are the dimensions of a Slumbercool King mattress?
All Slumbercool King mattresses measure 76 inches wide and 80 inches long. The MAX 3Z Medium is 13 inches high and weighs 115 pounds. The MAX Hybrid 3Z Pro Plush is 14 inches high and weighs 130 pounds. These standard King dimensions fit most King-size bed frames and allow ample space for two sleepers.
See also
How these reviews are put together
- 1,107reviews published
- 2,271products with a buyer rating
- 2,222products with listed features
- 87brands covered
Every number, star and price on this site is read from the Amazon product listing. We do not run lab tests of our own, so scores here are out of 10, based on listed specifications and buyer feedback, not a verdict from a test bench. Prices change without notice; check the listing before buying.

