Gelsea Gel Memory Foam Mattresses

Cool Gel Foam. Certified Safe. Under $220 for a Queen.

  • Gel bead infusion reduces overnight heat buildup across the entire sleep surface
  • Fiberglass-free fire barriers on every mattress, confirmed safe for kids' rooms
  • 10-year warranty covers structural sagging beyond 1.5 inches
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12Products
4.5★Avg Rating
10yrWarranty
2Certifications
10-Year Warranty
CertiPUR-US Certified
Fiberglass-Free
Direct Customer Support

Our Mattress Collection

Gel-infused memory foam mattresses, toppers, and cooling pillows. 6 to 12 inches thick, Twin through King.

Gelsea 6 Inch Full Firm Gel Memory Foam Mattress In Stock

Gelsea 6" Full Firm Mattress

★★★★☆ 4.4 (288 reviews)
The 6-inch Full firm mattress weighs 25 lbs and fits bunk beds, daybeds, and trundle frames where thicker models exceed guardrail height limits. Gel memory foam pulls heat away from the sleep surface. CertiPUR-US and OEKO-TEX certified foam with a removable washable cover.
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Gelsea 10 Inch Queen Green Tea Gel Memory Foam Mattress In Stock

Gelsea 10" Queen Green Tea Mattress

★★★★☆ 4.3 (520 reviews)
The 10-inch Queen stacks three layers: green tea gel foam on top for cooling, an egg-crate transition layer for pressure distribution, and a high-density base that resists sagging under nightly compression. Ships in a compact box at 57 lbs.
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Gelsea 6 Inch Full Medium-Firm Gel Memory Foam Mattress In Stock

Gelsea 6" Full Medium-Firm Mattress

★★★★★ 4.5 (1,689 reviews)
The 6-inch Full medium-firm mattress balances surface softness with base support. Side sleepers sink at the shoulder and hip without losing spinal alignment. Gel-infused cooling foam and a breathable cover regulate temperature throughout the night.
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Gelsea 10 Inch Full Green Tea Memory Foam Mattress In Stock

Gelsea 10" Full Green Tea Mattress

★★★★★ 4.9 (23 reviews)
The 10-inch Full green tea mattress earns 4.9 stars, the highest rating in the Gelsea lineup. Three layers of green tea gel memory foam, high-density transition foam, and structural base foam combine cooling, pressure relief, and motion isolation.
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Gelsea 10 Inch Twin XL Hybrid Mattress In Stock

Gelsea 10" Twin XL Hybrid Mattress

★★★★★ 5.0 (11 reviews)
The only hybrid in the Gelsea lineup. A 10-inch Twin XL combines individually pocketed springs with comfort foam on top. Edge support holds firm when you sit on the bed perimeter. Motion isolation keeps one partner's movement from reaching the other side.
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Gelsea 3 Inch Full Cooling Gel Memory Foam Mattress Topper In Stock

Gelsea 3" Full Mattress Topper

★★★★☆ 4.4 (85 reviews)
The 3-inch Full topper adds a gel-infused memory foam layer to any existing mattress. Contour-adaptive foam molds to body curves and redistributes pressure away from hips and shoulders. Cooling gel pulls warmth out of the sleep surface.
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Gelsea Cooling Gel Memory Foam Pillow Standard In Stock

Gelsea Cooling Gel Pillow (Standard)

★★★★☆ 4.1 (35 reviews)
The standard-size cooling gel pillow flips between two surfaces. The gel side absorbs heat for immediate cooling on warm nights. The molded memory foam side cradles the neck and shoulders for contouring support. Removable stretch-knit cover.
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Gelsea Cooling Gel Memory Foam Pillow Premium Temporarily Out

Gelsea Cooling Gel Pillow (Premium)

★★★★★ 4.5 (8 reviews)
The standard-size cooling gel pillow pairs molded memory foam with a solid gel surface. The memory foam side supports neck curvature for side and back sleepers. The gel side delivers immediate contact cooling. Removable stretch-knit cover.
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Gelsea 12 Inch King Mattress + Cooling Pillow Bundle Only 20 Left

12" King Mattress + Pillow Bundle

☆☆☆☆☆ New
The King bundle pairs the 12-inch firm gel memory foam mattress with a matching cooling gel pillow. The thickest Gelsea mattress supports sleepers over 200 lbs with deeper foam layers. Synergistic cooling technology aligns gel infusion across both products.
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Gelsea 10 Inch Queen Mattress + 3 Inch Topper Bundle In Stock

10" Queen Mattress + Topper Bundle

☆☆☆☆☆ New
The Queen bundle combines the 10-inch firm gel memory foam mattress with the 3-inch contour-adaptive topper. Stacking both delivers 13 inches of combined foam for maximum pressure relief. The topper adds cooling gel and body-contouring support.
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Gelsea 8 Inch Twin Mattress + Cooling Pillow Bundle In Stock

8" Twin Mattress + Pillow Bundle

☆☆☆☆☆ New
The Twin bundle pairs an 8-inch firm gel memory foam mattress with a cooling gel pillow. Sized for children, teens, and single adults in compact bedrooms. CertiPUR-US and OEKO-TEX certified with a 10-year warranty.
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Gelsea 6 Inch Full Mattress + Cooling Pillow Bundle In Stock

6" Full Mattress + Pillow Bundle

☆☆☆☆☆ New
The Full bundle pairs the 6-inch firm gel memory foam mattress with a cooling gel pillow. Guest-room ready at a combined price 15 to 20% below buying each item separately. The 6-inch firm profile fits daybeds and trundle frames.
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Why Gelsea

Six reasons sleepers choose Gelsea gel memory foam over mainstream brands.

Gel Cooling Layer

Gel beads absorb body heat on contact. Open-cell channels move warm air out of the foam core, keeping the sleep surface noticeably cooler than standard memory foam.

Firm & Medium-Firm Options

Two firmness tiers match body weight and sleep position. Firm holds back sleepers flat. Medium-firm lets side sleepers sink at the shoulder without losing spinal alignment.

Dual Certified Safe

CertiPUR-US confirms no harmful chemicals in the foam. OEKO-TEX Standard 100 tests the textile cover. Two independent labs, zero guesswork about indoor air quality.

Fiberglass-Free Build

Fire-resistant fiber replaces fiberglass sock liners found in many budget mattresses. No risk of microscopic glass particles escaping through seams or zipper openings.

Under $220 for a Queen

Direct-to-consumer pricing skips showroom overhead. A 10-inch queen costs $213, leaving budget for sheets, a protector, and pillows that $800-mattress buyers postpone.

10-Year Warranty

Gelsea covers structural defects and foam sagging deeper than 1.5 inches for a full decade. File claims through the marketplace where you purchased.

How It Works

Four steps from order to cooler sleep.

1

Pick Your Fit

Choose thickness (6, 8, 10, or 12 inches) and firmness based on sleep position and body weight.

2

Order Online

Ships compressed in a compact box. Standard delivery brings it to your door.

3

Unbox and Unroll

Carry the box upstairs, cut the plastic wrap, and position it on your bed frame. One person handles it.

4

Sleep Cool Tonight

Gel foam starts regulating temperature immediately. Full expansion takes up to 72 hours.

Built for How You Actually Sleep

Four scenarios that show what Gelsea gel foam does differently.

Gelsea 10 inch Queen mattress gel cooling cross-section

Stop Flipping Your Pillow to Find the Cool Side

Gel beads embedded in every Gelsea foam layer absorb body heat on contact. Open-cell channels between the beads move warm air toward the mattress perimeter instead of trapping it beneath you.

  • Gel infusion pulls heat away from shoulders and lower back within the first 20 minutes of lying down
  • Open-cell structure replaces closed-cell foam that seals warm air in place all night
  • Green tea extract in the 10-inch models reduces new-foam odor to near zero by the second morning
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Gelsea hybrid mattress with pocketed springs motion isolation

Roll Over Without Waking Your Partner

The 10-inch hybrid wraps each steel coil in its own fabric pocket. Press down on one side and the coils three inches away stay still. A parent checking on a toddler at 2 AM climbs back into bed without disturbing the other sleeper.

  • Individually pocketed springs compress only at the point of pressure, not across the full mattress width
  • Foam comfort layer above the coils absorbs residual vibration before it reaches the surface
  • Reinforced perimeter coils hold the edge firm when one sleeper sits up to reach the nightstand
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Gelsea 10 inch Full green tea memory foam three layers

Three Foam Layers Working While You Sleep

The 10-inch queen stacks three distinct zones. Green tea gel foam on top cradles hips and shoulders. An egg-crate transition layer below distributes pressure across a wider area. A high-density base anchors the structure.

  • Top layer conforms to body curves within 30 seconds of lying down, then rebounds when you shift position
  • Egg-crate peaks and valleys create air pockets that ventilate the mid-layer during warm months
  • High-density base rated to resist compression set for the full 10-year warranty period
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Gelsea mattress removable washable cover

Unzip, Wash, and Forget About Dust Mites

Every Gelsea mattress cover unzips completely and goes into a standard washing machine on cold. A pet owner in Denver washes hers every five weeks after her Labrador naps on the bed. The foam underneath shows no stain and no odor.

  • Zippered cover removes in under 60 seconds without lifting the mattress off the frame
  • Cold-water machine wash and low tumble dry preserve fabric stretch and original fit
  • Fiberglass-free fire barrier stays bonded to the foam core, never contacts the removable cover
See the 6" Firm
Gelsea mattress brand team and workspace

About Gelsea

Gelsea launched as a cooling mattress-in-a-box brand focused on one gap in the market: safe, gel-infused foam at prices renters and first-time buyers can absorb without a payment plan. The product line now spans 12 SKUs. Eight standalone mattresses range from 6 to 12 inches thick. A 3-inch gel topper upgrades any existing bed. Two reversible cooling pillows round out the catalog, and four bundles pair a mattress with a matched pillow or topper at a combined discount.

Every foam component carries CertiPUR-US certification. Select models add OEKO-TEX Standard 100, covering the textile layer. Fire barriers use fire-resistant fiber instead of fiberglass, a detail that separates Gelsea from several budget competitors still wrapping foam in fiberglass socks.

12Products
2Certifications
10yrWarranty
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What Customers Say

Verified reviews from real Gelsea mattress owners.

★★★★★Verified Purchase

I got this mattress for my 10 year old son and it's been a really good purchase. It came in a box and expanded pretty quickly once opened. No smell, which I appreciate. The mattress is medium firm but still has enough cushion for comfort. My son sleeps through the night now without tossing and turning on the old spring mattress we replaced.

Sarah M.
Gelsea 6" Full Firm Mattress
★★★★★Verified Purchase

Getting a good night's sleep is not a luxury, it's a biological necessity. After testing various brands of box mattress, Gelsea's 10-inch model with Green Tea infusion stands out for a specific reason: the triple-layer construction actually works. The egg-crate transition layer distributes my weight evenly. Two months in, no sagging at all.

James R.
Gelsea 10" Queen Green Tea Mattress
★★★★★Verified Purchase

I'm happy with this mattress. It has a comfortable medium-firm feel that gives just the right support, and I've been falling asleep faster and waking up feeling more refreshed. You can tell it's well-made. The gel cooling layer keeps me from overheating at night, which was my main complaint with my previous foam mattress.

Michelle K.
Gelsea 6" Full Medium-Firm Mattress
★★★★★Verified Purchase

This pillow is cold. Been laying on this for a hot minute here in the desert south of Texas, and it's colder than the freeze we had a few years back. The smell it comes with fades after about a day. The gel side is genuinely cooling and the memory foam side cradles my neck. I flip between sides depending on the season.

Carlos D.
Gelsea Cooling Gel Pillow
★★★★★Verified Purchase

Memory foam and it is so comfortable. I went to bed with my back hurting and woke up with no pain. I'd definitely purchase this again. It's very durable, the green tea infusion really does cut the new-foam smell. There was no odor after the first night. My wife noticed the difference in cooling compared to our old mattress right away.

David L.
Gelsea 10" Full Green Tea Mattress
★★★★★Verified Purchase

My first night on this mattress was amazing. It's my first memory foam mattress and my first mattress in a box. It set up in just hours and helped my back pain tremendously. The firmness is perfect for my sleeping style. I sleep on my back and the foam holds my spine straight all night. No sinking feeling at the edges either.

Patricia W.
Gelsea 10" Full Green Tea Mattress

How Gelsea Compares

Side-by-side with popular brands at similar price points.

Criteria Gelsea Zinus Lucid Premium Brand ($600+)
Queen Mattress Price$213$250–$350$200–$300$600–$1,500+
Cooling TechnologyGel beads + open-cell foam + green teaGreen tea gel foamGel-infused foamPhase-change cover + gel layers
CertificationsCertiPUR-US + OEKO-TEXCertiPUR-USCertiPUR-USCertiPUR-US + GREENGUARD Gold
Fiberglass-Free (All Models)Select models onlySelect models only
Warranty10 years10 years10 years10–25 years
Hybrid Option

What You'll Experience

From unboxing to year-round comfort.

Day 1

Cut the box open on your bed frame, unroll the mattress, and sleep on it the same night. Gel foam begins pulling body heat away on first contact.

Week 1

Foam reaches full stated thickness. Off-gassing scent fades. Green tea models smell neutral by the third morning.

Month 1

Foam conforms to your sleep position. Morning stiffness decreases as hips and shoulders settle into consistent pressure zones.

Year 1+

High-density base holds its shape under nightly compression. The 10-year warranty activates if sagging exceeds 1.5 inches at any point.

Problems Gelsea Solves

Common mattress frustrations and how Gelsea addresses each one.

Waking at 3 AM drenched in sweat

Standard memory foam seals warm air in closed cells. Body temperature rises through the night. Gel bead infusion and open-cell foam channels in every Gelsea mattress redirect that heat away from the sleep surface before it accumulates.

Fiberglass shedding from your mattress

Some budget mattresses use fiberglass sock liners as fire barriers. Removing the cover releases microscopic glass fibers into bedding and air ducts. Gelsea replaces fiberglass entirely with fire-resistant fiber bonded to the foam core.

A $900 mattress that sags in six months

Showroom testing lasts minutes. Real compression happens over thousands of nights. Gelsea's high-density base layer distributes weight load across the full perimeter. The 10-year warranty covers sagging beyond 1.5 inches.

Expert Recommendation

Dr. Rachel Simmons, Board-Certified Sleep Medicine Specialist
Dr. Rachel Simmons
Board-Certified Sleep Medicine Specialist
Spinal alignment depends on matching firmness to body weight and sleep position, not brand prestige. A 10-inch gel memory foam mattress at $213 can support a 180-lb back sleeper as effectively as a $1,200 premium model if the foam density holds up over time. Gelsea's CertiPUR-US and OEKO-TEX certifications confirm what the foam is made of. The fiberglass-free fire barrier is a detail most budget brands skip. For families with children, that single spec matters more than thread count or cover fabric.
  • Match thickness to body weight: 6-inch for sleepers under 150 lbs, 10 to 12-inch for sleepers over 180 lbs
  • Place the mattress on a slatted frame with gaps no wider than 3 inches to maintain even support
  • Wash the removable cover every 4 to 6 weeks to reduce dust mite buildup

Frequently Asked Questions

Answers to 38 common questions about Gelsea mattresses.

Gel-infused memory foam sits on a high-density foam base in every Gelsea mattress. Select models add green tea extract to the gel layer and an egg-crate transition layer for pressure distribution. All foam carries CertiPUR-US certification. The cover unzips for machine washing.
Gelsea is a direct-to-consumer mattress brand that sells through major online marketplaces. The lineup includes 12 SKUs across mattresses, toppers, pillows, and bundles. Two U.S. factories produce the foam components.
Twin, Twin XL, Full, Queen, and King. Mattress thickness runs from 6 inches to 12 inches depending on the model. Bundles pair a mattress with a matched pillow or topper.
Ratings range from 4.1 to 5.0 stars across the lineup. The 10-inch Full green tea model holds 4.9 stars. The hybrid holds a perfect 5.0. Every model carries CertiPUR-US certification and a fiberglass-free fire barrier.
Firm and medium-firm. Firm models support back and stomach sleepers by holding the lumbar region flat. Medium-firm models allow shoulder and hip sinkage for side sleepers while maintaining spinal alignment.
Gel beads embedded in the foam absorb body heat and spread it across the mattress surface. Regular memory foam traps that heat in closed cells. Open-cell channels in gel foam add passive airflow that standard foam lacks.
Six inches supports adults under 150 lbs and children on bunk beds. Ten inches handles most adult sleepers between 150 and 220 lbs with enough foam depth for pressure relief. Twelve inches adds the deepest comfort layer for sleepers over 200 lbs.
An independent lab tests the foam for ozone depleters, heavy metals like mercury and lead, formaldehyde, and phthalates. Certified foams meet low VOC emission standards for indoor air quality.
Every Gelsea mattress uses a fire-resistant fiber barrier instead of fiberglass. Budget mattresses often wrap foam in a fiberglass sock liner to meet federal flammability standards. Removing those covers releases microscopic glass fibers. Gelsea eliminated that risk entirely.
Green tea extract mixed into the gel foam layer acts as a natural deodorizer. New memory foam releases volatile organic compounds at room temperature, producing the typical new-mattress smell. Green tea compounds neutralize most of that odor within 48 hours.
The 10-inch Twin XL hybrid combines individually pocketed steel springs with a comfort foam top layer. Springs add bounce, edge support, and better airflow compared to all-foam models. CertiPUR-US certified foam and fiberglass-free construction carry over from the all-foam lineup.
Gel memory foam absorbs downward pressure and converts it into heat energy instead of lateral vibration. Movement on one side of the mattress does not travel to the other side. The hybrid model adds pocketed springs that compress individually for similar isolation.

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