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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
Sunday, Nov 22
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At a glance
- Condition
- New
- Style
- Level 1 Firm 12.5"
- Size
- Twin
- Dimensions
- 74.5 x 38 x 12.5 in
- Weight
- 45.9 lb
- Color
- Light Blue
- Material
- Pocketed Coils, Polyurethane
- In the box
- Mattress
Features 5
- Support - Featuring 3 zones of lower back support, this twin bed mattress includes an 800-density individually-wrapped coil system for classic comfort
- Firm Feel - Twin size mattress is ideal for stomach and back sleepers with extra support for heavier sleepers
- Motion Control - Our mattress twin size is designed to minimize the impact of your partner's movement
- Pressure Relief - Cushioning foams on this twin firm mattress help relieve aches and pains
- Cooling - A twin size cooling mattress with a soft, breathable cover helps you rest and wake refreshed
Description
Experience the trusted comfort of Serta with Serta Clarks Hill 2.0. Featuring a soft, breathable cover, PillowSoft Aire foam, and an 800-density coil support system, this mattress helps you sleep comfortably and wake ready to ease into your day. With 3 zones for lower back support, this mattress balances cool breathability with responsive support for a classically comfortable rest. Serta mattresses deliver the comfort that makes better sleep quality possible for hot sleepers and light sleepers alike.
Specs 35
| Brand | Serta |
|---|---|
| Size | Twin |
| Product Dimensions | 74.5"L x 38"W x 12.5"Th |
| Item Weight | 45.9 pounds |
| Item Firmness Description | Firm |
| Top Style | Tight Top |
| Cover Material | Polyester |
| Number of Layers | 7 |
| Fill Material | Memory Foam, Pocketed Coils |
| Weight Limit | 1000 pounds |
| Weight Capacity Maximum | 1000 pounds |
| Additional Features | Breathable, Edge Support, Low Motion Transfer, Lumbar Support, Pressure Relief |
| Mattress Coil Type | Pocketed Coil |
| Construction Type | Hybrid |
| Number of Mattress Coils | 800 |
| Item Dimensions L x W x Thickness | 74.5"L x 38"W x 12.5"Th |
| Item Depth | 12.5 inches |
| Item Dimensions | 74.5 x 38 x 12.5 inches |
| Product Care Instructions | In order to protect your mattress from stains and spills, we recommend using a mattress protector. This will also help with the overall health and lifespan of your mattress., To clean your mattress, we suggest applying baking soda to the soiled area and letting it stand for about 15 minutes. Then, vacuum and repeat as needed. It's important that you also air the product out as much as possible., We do not recommend applying liquids to the product. Applying liquids may stain the fabric and could potentially make the soiled area worse. Moisture or chemicals applied directly to the mattress can cause premature breakdown of the foam and damage the product. |
| Mattress Comfort Layer Material | Memory foam |
| Material Type | Pocketed Coils, Polyurethane |
| Item Highlight | CertiPUR-US certified, 10 Year Limited Warranty, 100-Night Trial, Made in the USA with global components, Zoned Support |
| Brand Name | Serta |
| Model Name | Serta Clarks Hill 2.0 Firm Mattress |
| Product Benefits | Back Pain Relief, Improves Sleep, Pressure Relief, Reduces Toss & Turn |
| Model Number | 50 |
| UPC | 198167017181 |
| Number of Items | 1 |
| Manufacturer | Serta Simmons Bedding, LLC. |
| Age Range Description | Adult |
| Item Type Name | Bed Mattress Conventional |
| Manufacturer Part Number | 50 |
| Set Name | Firm |
| Color | Light Blue |
| Style Name | Level 1 Firm 12.5" |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Nov 22
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
Perfect for Couples (add a topper)
Style: Level 1 Firm 12.5"
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A Perfect Mattress for couples! Have slept on this mattress for 2 months now and haven't rolled toward the husband, had back aches or been disrupted during sleep since. Game changer! It is quite firm but with an added 3" memory foam topper, its perfect!
Reviewed in the United States on July 23, 2026 by Robyn
Nice bed
Style: Level 1 Firm 12.5"
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Can’t say if this is firmer than other mattresses since this is my first firm mattress,but it is quite firmer than my Serta pillowtop mattress and my back is much better now. No squeakiness and is quite cool. Nice fabric.
Reviewed in the United States on October 8, 2026 by Frequent Shopper
Super comfortable
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Great mattress…
Reviewed in the United States on August 15, 2026 by Michael A Ruelle
Comfortable and quality mattress
Style: Level 1 Firm 12.5"
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This mattress is comfortable and provides excellent support for my back. Unlike the rolled up mattress I previously purchased, which came rolled up in a plastic bag, which was not as comfortable, and didn’t last long. This Serta arrived fully formed, and the quality is noticeably better. Based on my experience, I recommend choosing mattresses that are not compressed and rolled for shipping. While there may be some good options out there, I’ve found that traditional mattresses offer better durability and overall quality. This Serta mattress, arrived fully formed, and feels like a quality mattress that is comfortable, and likely to last long.
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Reviewed in the United States on March 28, 2026 by Keith Hoang
The Twin XL Bed see size when you buy.
Style: Level 1 Firm 12.5"
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The Twin XL Bed Size is Small-They did offer a partial refund to keep the mattress that I received- It was very comfortable when tested - I could not use it on my twin xl Bed frame (39x80). I will return and try again.. Very nice bed Built well -Definitely living up to the quality of the brand name.
Reviewed in the United States on May 23, 2026 by M J
I and my cat are happy
Style: Level 1 Firm 12.5"
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After one Week, cat still likes it. As already stated, this bed is complete in large box. Full form. I love it. Quality excellent (so far), also very reasonable price. I am still evaluating, if there are any disappointing problems in the next few months, then will come back for revision. PS, I did get delivery, set up and haul away.
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Reviewed in the United States on April 1, 2026 by Cold In Seattle
Firm Bed
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Pretty firm bed
Reviewed in the United States on October 26, 2025 by Peacefulfreedomluv
Firmness
Style: Level 1 Firm 12.5"
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Mattress is perfect for my back.
Reviewed in the United States on July 12, 2026 by Marian