King Size 14 Inch Memory Foam Mattress with Cooling Tencel for Back Relief

King Size 14 Inch Memory Foam Mattress

amazon.com
4.6 (76 reviews)
In Stock
$458.99
Updated: August 3, 2026
Price as of Aug 3, 2026. We earn from qualifying purchases.

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Summer nights in Texas or Florida often mean waking up sweaty with that nagging back stiffness from your old mattress. This 14-inch king size memory foam bed changes that with its TriCool Matrix-breathable TENCEL cover, cooling gel foam, and charcoal-infused egg crate design that boosts airflow and eases pressure on shoulders, hips, and spine via BraceSleeper support. After a few days, you’ll notice sheets staying drier and mornings easier to start, even if there’s a short off-gassing period as it expands from the box. It’s CertiPUR-US certified, child-safe, and ships right to your door for simple setup on most frames.

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Who Is This Product For?

This mattress suits adults in their mid-30s to mid-50s dealing with back stiffness from desk work or daily routines, especially those in warmer areas like Texas or Florida where nights stay humid. It fits couples sharing a king bed, one or both waking up sweaty or sore, or parents needing a guest-ready surface without chemical concerns for visiting kids. Urban renters carrying boxes up stairs or suburban homeowners skipping bulky deliveries find the in-a-box format practical during family schedule crunches or heat waves that disrupt sleep.

Key Features & Benefits

TriCool Matrix for Temperature Regulation

The TENCEL cover, cooling gel foam, and charcoal-infused egg crate foam work together to wick heat and boost airflow through 3D channels. During humid summer nights, this keeps sheets drier and reduces that sticky feeling, helping hot sleepers stay comfortable without constant adjustments.

TENCEL Cover for Moisture Management

TENCEL fibers pull moisture away better than standard fabrics, paired with the egg crate design for dedicated air circulation. It matters most after long days when sweat builds up, preventing overnight clamminess so you wake less restless in warmer climates.

Egg Crate Foam for Pressure Relief

The contoured egg crate surface cushions shoulders and hips while BraceSleeper Support Foam keeps the spine aligned. For back pain from office chairs or standing shifts, this eases targeted soreness during side sleeping, noticeable after a week of consistent use.

CertiPUR-US Certified Foam

Foams meet CertiPUR-US standards for low emissions, using plant-based TENCEL and charcoal for a chemical-free setup. Families with kids or health-focused adults appreciate this in shared bedrooms, avoiding off-gassing smells during the first few nights.

In-a-Box Delivery and Setup

Rolled and compressed for doorstep delivery, it expands without tools or lifting help, fitting most bed frames. Apartment dwellers or busy parents handle unboxing alone, getting back to routines faster than waiting for scheduled hauls.

What to Consider When Buying

Think about your space, sleep style, and setup needs before choosing. King size takes up room, so measure your bedroom and frame compatibility. Medium plush feel suits back or side sleepers under 250 pounds each, but heavier pairs might notice more sink over time.

  • Check doorways and stairs for the box’s size-it’s compact but bulky at around 100 pounds.
  • Plan for 24-48 hours to fully expand; rushing leads to uneven shape.
  • Avoid thin frames; it works best on solid bases to prevent sagging edges.
  • Expect a slight foam smell initially, which fades in a ventilated room.
  • Durability holds for 7-10 years with rotation, but skips on flipping save wear.

How to Choose the Right One

Start by matching size to your bed frame and sleep positions-king for couples needing space. If back pain or night sweats top your list, prioritize cooling and contouring over firmness. Use this checklist: Does your room handle king dimensions? Do you side-sleep and need plush relief? Want box delivery without hassle? Test similar feels in stores if possible, then confirm certifications match family needs. For hot climates, lean toward breathable covers like TENCEL.

Why This Is a Smart Choice

It addresses common sleep disruptors like heat buildup and pressure points without delivery headaches, expanding reliably for long-term use. Over months, the airflow design cuts down on sweaty wake-ups, and support layers maintain alignment through daily wear. The certifications provide reassurance for households with kids, and frame versatility simplifies updates. One trade-off is the initial expansion wait, but it pays off in fewer back complaints after repeated nights.

Care & Maintenance Tips

Spot-clean spills right away with mild soap and air-dry to protect the cover. Rotate head-to-foot every 3-6 months for even wear, especially if one side gets heavier use.

  • Use a mattress protector to shield against dust and moisture-daily bed-making helps airflow.
  • Ventilate the room first week to clear any mild odor from compression.
  • Avoid jumping or standing edges to preserve support foam longevity.
  • For deeper cleaning, vacuum monthly; steam only if cover allows.

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FAQs

Q: How does this mattress handle hot, humid nights when I’m tossing from night sweats?

The TriCool Matrix with its TENCEL cover, cooling gel foam, and charcoal-infused egg crate foam pulls moisture away better than standard fabrics and sets up 3D airflow channels to cut down on heat buildup. In warmer climates like Texas or Florida, it keeps sheets drier during those sticky summer nights without waking up soaked. Over the first few weeks, the foam settles into a consistent cooling rhythm as it fully expands.

Q: Will this help with back pain from long desk shifts or nursing shifts?

The egg crate foam contours to shoulders and hips for targeted pressure relief, while the BraceSleeper Support Foam keeps your spine aligned to ease soreness. People switching from flat foam mattresses notice less morning stiffness after a couple of nights on it, especially if back aches come from daily wear. It cradles those high-pressure spots without letting you sink too deep.

Q: What’s the setup like for a king size mattress in an apartment with stairs?

It arrives compressed in a box that’s manageable to carry up stairs solo, then unrolls onto your frame and expands within hours-no tools or heavy lifting needed. Most users find it fits standard bed bases right away, though you might need to rotate it 180 degrees after the first month for even wear. Give it a full day in place before sleeping to reach full height.

Q: How do I clean the TENCEL cover if kids spill something on it?

Spot clean the breathable TENCEL cover with mild soap and water, then air dry it since the fibers handle moisture well without trapping odors. The charcoal infusion helps neutralize smells from everyday accidents, making it practical for family beds. Avoid machine washing to keep the cover intact longer.

Q: Does it feel different from cheaper all-foam mattresses without the egg crate design?

Unlike flat foam options that can trap heat and feel sticky, the egg crate structure boosts airflow and molds better to pressure points for more even support. It avoids that initial off-gassing smell common in budget foams, thanks to CertiPUR-US certification and plant-based elements. The trade-off is it takes a bit longer to break in fully compared to thinner, simpler layers.

Q: Is this safe for a household with young kids or pets jumping on the bed?

CertiPUR-US certified foams are child-safe and free of harmful chemicals, paired with natural TENCEL and charcoal for an eco-friendlier sleep surface. It holds up to occasional family use without breaking down quickly, though the plush feel means it contours more under weight. Daily routines like this keep it reliable for shared spaces.

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