Sleepmax Firm King Mattress 14 Inch - Deep Sleep Hybrid Mattresses Enhanced Pain Relief - Cooling Extra Firm Bed in a Box with Lumbar & Hip Support - 365-Night Trial, Fiberglass-Free, Hotel-Collection
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90-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Mar 24
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Color: 14" Elite
Size: King
Set name: Sleepmax Starry
Features
- PAIN RELIEF & MOTION ISOLATION Blending the support of traditional springs with the comfort of contouring memory foam, Sleepmax Starry encourages proper spinal alignment, balanced weight distribution, and pressure point relief for more restorative sleep. Individually pocketed springs reduce noise and motion transfer, making it well suited for light sleepers.
- BALANCE OF COMFORT & SUPPORT Featuring a Euro-top design for enhanced comfort, layered foams for pressure relief, and a sturdy bottom support system with reinforced pocket springs, the Sleepmax Starry mattress delivers a firm feel suited to a wide range of sleep preferences.
- NON-TOXIC MATERIALS & SKIN-FRIENDLY The Sleepmax Starry hybrid mattress is certified by CertiPUR-US and OEKO-TEX Standard 100, ensuring non-toxic, fiberglass-free materials. It also complies with the CFR 1633 fire-resistance standard, prioritizing safety with a skin-friendly construction.
- ENHANCED SAFETY & EXTENDED LIFESPAN Reinforced with robust edge support to minimize sagging and improve stability, the Sleepmax Starry mattress enhances safety by reducing the risk of rolling off during nighttime movement. The strengthened edges also protect the internal structure, helping extend the mattress's overall lifespan.
- ABOUT SLEEPMAX - For four decades, Sleepmax delivers an exclusive lifetime service promise with every mattress in a box purchase, reinforcing our commitment to product excellence and continuous customer care.
Brand: Sleepmax
Size: King
Product Dimensions: 80"L x 76"W x 14"Th
Item Weight: 134 Pounds
Item Firmness Description: Firm
Top Style: Euro Top
Cover Material: Cotton
Number of Layers: 6
Fill Material: Memory Foam
Weight Limit: 950 Pounds
Product Dimensions: 80 x 76 x 14 inches
Item Weight: 134 pounds
Manufacturer: Sleepmax Direct
Item model number: Sleepmax Starry
Date First Available: September 9, 2025
Age Range Description: All Age
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Mar 24
Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Queen
Color: 14" Elite
Heavy, probably need a second person to handle the box Unpacking was easy but make sure you have a big area, when it opens it opens fast. Waited 72 hours before using the mattress for full expansion. I've been sleeping on it for a couple of weeks now and I love it. Firm and very comfortable doesn't leave a dent in the bed where you sleep. I would buy this mattress again
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Reviewed in the United States on February 22, 2026 by Dawn L Holton
Size: Queen
Color: 14" Elite
I’m very happy with this mattress, I didn’t think I’d like such a firm mattress but I’m sleeping better than I have in years! This mattress is very well made, I’m impressed, for the price I was not expecting such good quality! I did purchase a fluffy mattress pad that made a big difference! It took less time than they say to reach 14inches and it did not smell as some reports said, so far so good 😴
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Reviewed in the United States on February 19, 2026 by Barbara D.
Size: King
Color: 12" Prime
I ordered the king size very firm. I love it. Very comfortable, not super hard. It’s great for co sleeping parents. So spacious and no one is rolling onto each other. The bed coming in a box was so convenient! Will definitely purchase again.
Reviewed in the United States on March 2, 2026 by Leonard Jalca
Size: Queen
Color: 14" Elite
Pretty damn great, especially at this price point. Nice and firm. I'm expecting it to soften after some time. It's still pretty new but overall, really satisfied.
Reviewed in the United States on February 10, 2026 by John T O'Brien
Size: Queen
Color: 14" Ultra
Comfort and back support. No dipping in middle. Better than Nectar.
Reviewed in the United States on February 12, 2026 by Thomas Shankles
Fulll disclosure- I bought this mattress out of immediate need trying to furnish an entire new home, while waiting on my expensive mattress in storage across the country to the my new place. I didn't want to spend a lot of money on something I did not think I was going to continue to use, BUT- now I am going to put my other expensive mattress in the guest room, and keep using this one! I see a chiropractor regularly for lower back and hip pain, and after reading reviews that spoke to others using this mattress and actually having less pain, I purchased this one, and to my surprise, I experience less back and hip pain while sleeping. It is firm- firmer than any mattress I have ever slept on. I thought the first night- no way this will ever be comfortable... but I was wrong. By the second night, I had the best nights rest I have had in some time, and when I went to see my chiropractor, I was excited to say I was in pretty good shape and only needed a slight adjustment. AND- the PRICE!!!! Best purchase ever? Maybe not, but a clear runner up.
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Reviewed in the United States on December 4, 2025 by Stephanie
Excellent mattress excellent excellent if you have back pain you won't anymore it is super firm like super firm it's going to take you a week to get used to it but it's a great mattress
Reviewed in the United States on January 16, 2026 by adam ededamn
Size: Queen
Color: 14" Elite
So comfortable and easy to set up. It fluffed in just a few hours and is extremely comfortable
Reviewed in the United States on February 13, 2026 by Waldemar Walas