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LETMOON

LETMOON 14 Inch King Size Mattress, Medium Firm Hybrid Pocket Spring Bed

  • Based on 32 reviews
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Size: King (U.S. Standard)


Item Firmness Description: Medium


Set name: 14" Medium


Features

  • CONTOURED SUPPORT AND WEIGHT DISTRIBUTION. This king size mattress features an array of independent pocket springs designed to support head, shoulder, waist, and hip zones. The individual spring network responds to body weight for balanced full-body support and stable posture during sleep on this king mattress.
  • DUAL LAYER FOAM AND SPRING DESIGN. Built with high-density foam layers placed over a steel pocket coil core, this king size mattress combines soft cushioning with medium-firm foundational support. The foam layers provide a smooth surface feel suitable for back, side, and stomach sleeping positions.
  • MOTION ISOLATION AND NOISE REDUCTION. Each individually wrapped coil in this king mattress operates independently to minimize spring friction and noise. The isolated coil system reduces motion movement across the bed surface, helping maintain a quiet sleeping space for shared king size bed mattress setups.
  • REINFORCED PERIMETER COILS AND ANTI-SAG. Constructed with heavier-gauge pocket coils around the outer frame, this king size mattress provides structured edge stability. The strengthened border design helps prevent perimeter compression when sitting or sleeping near the edge, maintaining a uniform surface shape over long-term use.
  • COMPRESSED PACKAGING AND EXPANSION. This king mattress is machine compressed and rolled into a protective box for shipment. After opening the packaging, place the mattress on a flat foundation and allow 24 to 72 hours for complete expansion to its full height and shape.

Description

Solid Structure&Reinforced Edge Support What's better, a hybrid or a memory foam? Foam mattresses are soft and body-conforming but less supportive and breathable. Hybrid mattresses combine springs and comfort layers for better support, breathability, and durability. Suitable for a wider range of people than foam mattresses. Who should sleep on a hybrid mattress? If a cooler sleep experience and a bouncier, supportive mattress tops your list of wants and needs, a hybrid mattress may be the right choice for you. Also provides a comfortable sleeping experience for side and back sleepers. How many years does a hybrid mattress last? Overall, the average lifespan of a hybrid mattress is usually 6-8 years. This varies depending on how well the mattress is maintained, how often it is used, and the weight and sleeping habits of the user. How to properly use and maintain a hybrid mattress? Ensure it is placed on a foundation with slats no more than 3 inches apart for proper support. Rotate the mattress every 3-6 months to prevent uneven wear and sagging. Avoid placing excessive weight on the mattress to prevent damage to the springs. Can I put a hybrid mattress on slats? Hybrid mattress can be placed on slats, but make sure the slat spacing is no more than 3 inches, the material is sturdy, and there is a center support beam to prevent sagging and provide adequate stability, support and breathable. We always take "Healthy Sleep, Natural Comfort" as our core concept. Combine American orthopedic sleep science with daily home use scenarios, balance softness and firmness, fit spine posture of adults, elders and teenagers. All materials comply with US domestic safety standards, zero peculiar smell, skin-friendly and breathable, suitable for bedroom, guest room, apartment and dormitory.

Brand: LETMOON


Size: King (U.S. Standard)


Product Dimensions: 80"L x 14"W x 76"Th


Item Weight: 79 pounds


Item Firmness Description: Medium


Top Style: Pillow Top


Number of Layers: 3


Fill Material: Memory Foam


Weight Limit: 500 pounds


Special Feature: Pressure Relief


Item Firmness Description: Medium


Number of Layers: 3


Weight Capacity Maximum: 500 pounds


Additional Features: Pressure Relief


Mattress Coil Type: Pocketed Coil


Construction Type: Hybrid


Mattress Base Compatibility: Solid Foundation


Size: King (U.S. Standard)


Item Dimensions L x W x Thickness: 80"L x 14"W x 76"Th


Item Weight: 79 pounds


Item Thickness: 14 inches


Item Dimensions: 80 x 14 x 76 inches


Fill Material: Memory Foam


Mattress Comfort Layer Material: Memory foam


Material Type: Memory Foam


top-style: Pillow Top


Color: White


Style Name: 14 inch


Brand Name: LETMOON


Model Name: Hybrid Mattress


Product Benefits: Back Pain Relief, Improves Sleep, Reduces Toss & Turn, Stress Relief


Model Number: M-LA14K-02


Number of Items: 1


Mattress Type: Standard Mattress


Number of Packs: 1


Manufacturer: LETMOON


Unit Count: 1 Count


Age Range Description: Aldult


Included Components: Memory foam&Hybrid Spring


Manufacturer Part Number: 14K


Set Name: 14" Medium


Frequently asked questions

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Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews

    • Good Mattress Good Price
Very comfortable mattress-expanded to the exact dimensions listed in the description. Very comfortable-purchased a topper to make it extra comfortable and you don't even need it. Very fair price. Would purchase again.
Reviewed in the United States on October 16, 2025 by DDERESIN
    • Comfy mattress
I brought this mattress for my 5 year old in a full size and it's very comfortable and well worth what I paid for it.
Reviewed in the United States on August 6, 2025 by Kiah
    • Surprising comfortable
I am a side-sleeper. This is very comfortable on my hips and shoulders.
Reviewed in the United States on September 17, 2025 by Spidy
    • 14-Inch Hybrid Support, Contour Pocket Springs with Cooling Foam, and Reinforced Edge Support!
Review Image by Osmany
Review Image by Osmany
Review Image by Osmany
Upgrading your bedroom setup with a high-end mattress is key to achieving truly restorative sleep, and this 14-inch queen hybrid mattress delivers a luxurious, hotel-quality feel right at home. Combining high-density cooling memory foam layers with an advanced individually wrapped pocket spring system, it strikes a balanced medium-firm feel that contours gently to body curves while providing deep ergonomic support for proper spine alignment. A standout feature of this mattress is its exceptional motion isolation and perimeter stability. The independent pocket coils absorb partner movement instantly with zero noise transfer, making it ideal for light sleepers. Additionally, engineered foam encasement and reinforced edge coils ensure robust edge support, preventing sagging or sliding when sitting on the side or sleeping near the edge. Crafted with CertiPUR-US certified breathable foams, it offers long-lasting durability, gentle comfort, and daily peace of mind. ... show more
Reviewed in the United States on August 14, 2026 by Osmany
    • 8 Inch Twin Hybrid Medium-Firm Foam Pocket Spring Mattress in a Box | Ergonomic spine support &
8 Inch Twin Hybrid Medium-Firm Foam Pocket Spring Mattress in a Box | Ergonomic spine support & motion isolation design, perfect supportive sleep surface for dormitory and bedroom use This 8 inch twin hybrid mattress surprised me with how much support it packs into a thin profile. The mix of foam and pocket springs gives you that medium-firm feel that actually supports your spine instead of just feeling hard. I sleep on my side and back and wake up without the lower back stiffness I got from old dorm mattresses. The pocket springs keep it responsive when you shift positions, and the foam layers take the edge off so it doesn’t feel like you’re sleeping on coils. Motion isolation is legit for a shared room. My roommate gets up early and I barely feel it when they move around. That alone makes it worth it for dorm or apartment use where someone’s always on a different schedule. The mattress in a box setup was simple too. It expanded fast and didn’t have that strong chemical smell that makes the first few nights miserable. At 8 inches it’s low enough to work with most bed frames and bunk beds, but it still feels like a real mattress, not a thin pad. The ergonomic support means your hips and shoulders sink just enough without your midsection sagging, so your spine stays neutral through the night. I’ve used it for naps, overnight guests, and daily sleep and it holds up. For dorms, guest rooms, or anyone who wants supportive sleep without a bulky thick mattress, this one delivers. Good support, minimal motion transfer, and hybrid comfort that works for different sleep positions. ... show more
Reviewed in the United States on June 19, 2026 by Amazon Customer
    • Be kind to you homeowners yards please.
Size: King (U.S. Standard) Item Firmness Description: Medium Set name: 14" Medium
Product as ordered , Delivery was the issue. Drove in the lawn and buster 3 sprinklers . Note for training , one foot into the years you will find the sprinkler system . Maybe use the driveway ? Have a blessed day .
Reviewed in the United States on August 23, 2026 by Richard Moore
    • Just the right amount of soft but yet firm.
I was pleasantly surprised by the quality of this twin memory foam mattress. It expanded quickly after opening and, best of all, there was little to no chemical smell, which is something I was worried about with a mattress that comes compressed in a box. The mattress feels very comfortable right away. It has a nice balance of softness and support, so you sink in just enough without feeling like you're stuck. My child has been sleeping on it for several nights now and has commented on how comfortable it is, and I’ve even laid on it myself and was impressed with how supportive it feels for a twin mattress. The cover looks well made, and the mattress reached its full size without any issues. It fits a standard twin bed frame perfectly and gives the bed a much more comfortable feel compared to a traditional spring mattress. Overall, this is a great value for the price. Easy to set up, no unpleasant odors, and genuinely very comfortable. I would definitely purchase this again for another child’s room or guest room. ... show more
Reviewed in the United States on July 17, 2026 by Kristina hudson
    • A Balanced, Breathable Mattress That's Great for All Sleep Positions
I've been sleeping on this LETMOON twin mattress for a few weeks, and I'm genuinely impressed with the balance of comfort and support. The combination of memory foam and independent pocket springs provides a nice contouring feel without that sinking sensation. I sleep on my side and back, and both positions feel well-supported—my hips and shoulders are cushioned, while my spine stays aligned. My partner also noted that the motion isolation is effective; even when I toss and turn, the movement doesn't transfer across the bed. The breathable knitted cover and high-density foam layer do a good job of regulating temperature. I tend to sleep warm, but this mattress stays cool and dry throughout the night, which has been a welcome change. The materials feel high-quality, and I appreciate that the mattress is fiberglass-free and safety certified. The compressed delivery was convenient—the mattress arrived in a manageable box and expanded to its full shape within about 24 hours. There was a slight initial odor, typical for bed-in-a-box mattresses, but it dissipated after a couple of days of airing out. The twin size works well in my guest room, and I can see it being a solid choice for a child's room, dorm, or RV. A minor note: while the memory foam is soft, it does have a bit of a break-in period. After a few nights, the mattress softened slightly and felt more comfortable. Also, the mattress is on the firmer side initially, which may not suit everyone's preference, but it does soften with use. Overall, this is a reliable, comfortable mattress with good value for the price. Highly recommended for guest rooms, kids' rooms, or anyone looking for a supportive and cool sleeping surface. ... show more
Reviewed in the United States on June 20, 2026 by 3DPC

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