1 / 7REGOSS 031M 14K King 14-Inch Hybrid Mattress
The REGOSS 031M 14K is a king-size, 14-inch hybrid mattress listed with a medium-plush feel. It pairs gel memory foam with pocketed coils and a Euro top, with a mattress-in-a-box format for delivery and setup.
At a glance
- The listed hybrid construction combines gel memory foam with individually pocketed coils.
- The listing describes a medium-plush feel and a Euro top, a combination oriented toward a softer surface feel.
- The 14-inch profile is delivered in a box and is described as compatible with most bed frames.
Reference price: $559.99
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- King sizing and stated dimensions make it easier to compare against a bedroom and bed frame before purchase.
- Foam-and-pocketed-coil construction offers a distinct alternative to an all-foam mattress.
- The claimed boxed delivery format may simplify moving the mattress into the bedroom.
Technical specifications
16 specifications| Brand | REGOSS |
|---|---|
| Model | 031M 14K |
| Size | King (U.S. Standard) |
| Construction | Hybrid |
| Mattress type | Standard Mattress |
| Dimensions listed | 80 x 76 x 14 inches |
|---|---|
| Weight listed | 87 pounds |
| Thickness | 14 inches |
| Delivery format | Mattress in a Box |
| Comfort layer material | Gel Memory Foam |
|---|---|
| Coil type | Pocketed Coil |
| Top style | Euro Top |
| Material type | Cotton Blend |
| Color | White-purple |
| Firmness description | Medium Plush |
|---|---|
| Special features | Breathable, Pressure Relief |
What to know before buying
- The listing describes pressure relief and airflow, but provides no independent measurements of comfort, cooling or motion isolation. The 365-night trial, 10-year warranty and compatibility claims are listing terms, so review the selected offer's conditions before purchase.
What’s in the box
Included- Gel memory foam
- High-density foam
- Individual pocketed coils
Who is it for?
A good fit for
- Shoppers seeking a king-size hybrid with a listed medium-plush feel and gel memory foam.
- Buyers who prefer a mattress delivered in a box and can accommodate a 14-inch profile.
Less suited to
- Shoppers who specifically want a firm mattress, since the listing describes this one as medium plush.
- Buyers who need independently measured cooling, motion isolation or support performance.

Customer reviews on Amazon
- 5 stars
87% 87% - 4 stars
10% 10% - 3 stars
3% 3% - 2 stars
0% 0% - 1 star
0% 0%
Aggregate ratings are strongly positive overall, with most ratings in the five-star category. This is only a limited signal about customer satisfaction and does not identify specific strengths, drawbacks or how the mattress feels in use. The listed medium-plush feel and hybrid materials may help frame a buyer's preferences, but ratings do not verify those product claims.
Frequently asked questions
What size is the REGOSS 031M 14K?
It is listed as King (U.S. Standard), with dimensions of 80 x 76 x 14 inches.
What is its listed feel and construction?
The listing calls it medium plush and describes a hybrid construction with gel memory foam, pocketed coils and a Euro top.
Does it arrive in a box?
The product is described as a mattress in a box. The listing says it is designed to expand after setup, but gives no specific expansion time.
What trial and warranty are advertised?
The listing advertises a 365-night trial and a 10-year warranty. Check the selected listing for the applicable terms and conditions.

Alternative options

Brooklyn Bedding Signature Hybrid RV King 72"x80" 14 Inch Mattress, Medium Feel, Cloud Pillowtop Upgrade, CERTIPUR-US Certified Foam
$1,539.30

EGOHOME King Size 14 Inch Medium Plush Hybrid Mattress | Mattress in a Box with Graphene Cooling Cover,5 Zone Pocket Spring and Memory Foam,Pressure Relief,Motion Isolation,Black
$639.99

Suiforlun King Mattress, 15 Inch Medium Soft Hybrid Mattress, King Size | Charcoal Gel Memory Foam & Edge Support Pocket Coils, Cooler Sleep, Fiberglass-Free , CertiPUR-US Certified
$888.98

Gelsea 12Inch King Size Mattress, Green Tea Gel Memory Foam Cooling Comfort | Medium Firm,Pressure Relief,Motion Isolation,Egg Crate Comfort,Washable Cover,Fiberglass Free,CertiPUR-US,Mattress In a Box
$369.99

King Size Mattress, 14 Inch Cooling Hybrid Mattress Medium Firm | Pocket Spring , R...
$799.99

Nolah Evolution Hybrid Luxury Firm Mattress, California King with Cooling Pillow Top
$1,848.60

EGOHOME King Size 14 Inch Firm Hybrid Mattress | Mattress in a Box with Graphene Cooling Cover,5 Zone Pocket Spring and Memory Foam,Pressure Relief,Motion Isolation,Black
$639.99

FATHOM Firm King Mattress 14 Inch Memory Foam Mattress King Size Bed in a Box for Back Pain Relief and Cool Sleep with Gel Foam and Removeable Fiberglass Free Cover, CertiPUR-US Certified
$459.99

King Size Mattress Extra Firm, 14 Inch Gel Memory Foam Mattress | Orthopedic Spinal...
$589.99

BedStory Medium Firm King Size Mattress 14 Inch, Hybrid King Mattress in a Box for Zoned Pressure and Pain Relief, Signature Collection Deep Sleep Mattresses, 10 Years Warranty,365 Nights Trial
$499.99

Coolvie King Size Mattress 14 Inch, Hotel Collection Hybrid Mattress | Medium Firm Support, Cool Gel Memory Foam, Motion Isolation & Edge Support, Fiberglass Free, 100-Night Trial
$559.99

BedStory King Size Mattress Firm, 14 Inch Hybrid Mattress Back Pain Relief | Extra Lumbar Support, Spine Alignment, Breathable, Motion Isolation & Pocket Springs, Fiberglass-Free Colchones, CertiPUR-US
$599.99






















