At a Glance
Innerspring
Cooling Technology
Compatible with Adjustable Base

Ask Mylow

Mylow is an AI virtual assistant.

More Information

Is it adjustable base compatible?What is the warranty duration?How does it promote cooling?Does it relieve pressure points?What tools are needed for setup?

Serta Perfect Sleeper Oasis Sleep 14.5-in Firm Twin extra long Cooling Innerspring Mattress

Name: Serta Perfect Sleeper Oasis Sleep 14.5-in Firm Twin extra long Cooling Innerspring Mattress
Brand: Serta
SKU: 5014681791
Price: 954 USD
Availability: InStock
Rating: 4.7 (790 reviews)

4.7

790

$906.30 When you choose 5% savings on eligible purchases every day.

$80/mo Suggested payments with 12 month special financing. Ltd time.

Stepper number input field with increment and decrement buttons

Mattress Thickness

Low Profile

Standard

High Profile

Mattress Firmness

Plush

Medium

Firm

Extra Firm

Pickup

Unavailable

Shipping

Tue, Sep 15 (Est.)

5,000+ available

Delivery

Unavailable

Check Fee in Cart.

Outside Delivery.

In-use/lifestyle images - other products, materials, and/or accessories not included

Members save more.

Serta will deliver, set up and haul away your old mattress, so you can get a good night’s sleep.

Here are some similar items...

SertaPerfect Sleeper Oasis Sleep 15-in Plush Queen Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm King Cooling Innerspring Mattress

791

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Full Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Twin Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Full Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Medium King Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 12-in Extra firm Queen Cooling Innerspring Mattress

792

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm California King Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Queen Cooling Innerspring Mattress with Boxspring Included

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm King Cooling Innerspring Mattress with Boxspring Included

790

SertaPerfect Sleeper Pacific Peace 12-in Firm Twin extra long Cooling Hybrid Memory Foam/Coil Blend Mattress

148

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Queen Cooling Innerspring Mattress

791

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Twin Cooling Innerspring Mattress with Boxspring Included

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Queen Cooling Innerspring Mattress

790

SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Queen Cooling Innerspring Mattress with Boxspring Included

792

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Price Guarantee

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Return Policy

Pay Your Way

Credit card, PayPal or Buy Now, Pay Later options available at checkout. Your choice.

Payment Options

Featuring a 3 zoned coil design, this mattress offers pressure relief and support where you need it, with a Cool Twist® Gel Memory Foam that contours to your body—with upgrades available with more cooling layers and support. Your new mattress may initially feel firmer than expected. Please allow up to 60 days to acclimate to your new mattress as it naturally adjusts to contour, comfort, and support you best. Premium memory foam is temperature-sensitive; it may feel firmer in cooler temperatures and softer in warmer ones. For your preferred comfort, please allow several hours for your memory foam mattress to adjust to the room’s temperature.

Cool Twist® Gel Foam - Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation
Cool Twist® Gel Memory Foam This unique design features cooling gel swirled into premium memory foam - this breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort
PillowSoft® Aire Soft foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design
Designed and Built in USA
Adjustable Friendly
You should be able to rely on the quality of your rest night after night - that is why we offer a 10-year limited warranty that covers manufacturing and workmanship defects

General
Color/Finish Family	Blue	Fabric Material	Polyester
Type	Innerspring	Collection Name	Perfect Sleeper Oasis Sleep

Dimensions
Length (Inches)	79.5	Thickness (Inches)	14.5
Size	Twin extra long	Width (Inches)	39
Weight (lbs.)	53.03

Features
Boxspring Included	No	Comfort Level	Firm
Hypoallergenic	No	Mattress Top	Pillow
Coil Count	372	Mattress in a Box	No
Coil Gauge	15	Cooling	Yes

Warranty
Warranty	10-year limited

Certifications
CA Residents: Prop 65 Warning(s)	No

Compatibility
For Use with Adjustable Base	Yes

Miscellaneous
UNSPSC	56101500

Check out the Best Selling Mattresses on Lowes.com

Review

4.7 out of 5

790 Reviews

100% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 76

What Customers Are Saying

Customers overwhelmingly praise this mattress for exceptional comfort and supportive firmness that delivers immediate sleep quality improvements. Most describe an ideal balance of plushness and support suitable for all sleep positions, with many reporting dramatic relief from back and hip pain upon waking. The pillowtop variant is especially valued for adding softness without compromising support. A small number report early sagging concerns, and a few mention subjective firmness preferences, but these isolated observations are vastly outweighed by the dominant consensus that this mattress significantly enhances nightly rest and physical comfort.

Customer review summary generated by AI, including incentivized reviews.

790 Customer Reviews

Sort By

Love

I love the bed. Extra firm feels great. Works well in my adjustable frame. Tried mattresses before ordering from on line so I knew exactly what I wanted. Best price on line.

Diann FAugust 28, 2026

From Serta

Super comfy!

We got this mattress set for our guest room. It is amazingly comfortable and we know our visiting family and friends will get many restful nights on it!

Karolyn TAugust 25, 2026

From Serta

Seems to be a great value so far!

We bought the Serta Oasis Medium pillow top King 14.5” mattress and very impressed so far. Its only been 20 minutes but we are happy. The only issue is when carrying it up the stairs the area under the handle where the blue material meets the white underbelly ripped! It doesn't seem to affect the mattress it’s just a shame since it’s brand new 😑

Emily IAugust 6, 2026

From Serta

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/bdb6d6d2-a0be-5de6-80c7-cd2f010645a5

Perfect Sleep

I purchased a queen, Serta Nurture night plush pillow top to replace a similar Serta that I’ve had for over 20 years. I was concerned that it might not be as comfortable as my older one but, so far, it’s been great. It’s not a mattress that your body “sinks into”, it has support and is very comfortable!

Sue KAugust 4, 2026

From Serta

Sadly disappointed

Divots formed within days. The support is non-existent. I wanted to love it but I wake up in pain. The edges dip immediately when under pressure for more than five minutes.

Khadijah SAugust 15, 2026

From Serta

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/08e2bf63-9ef2-5746-85de-e236a972c5fe

Response from Customer Experience

Hi there, thank you for taking the time to review your Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress. Your feedback is valuable to us. We ...

Customer ExperienceAugust 19, 2026

Great mattress

Very comfortable and supportive for my bad back. The quality and comfort exceeds my expectations. I would highly recommend this mattress.

Patricia a VAugust 14, 2026

From Serta

Comfortable with Support

Very comfortable mattress while providing you the support you need. No more hot nights with the cooling feature in this mattress. Definitely recommend.

Christopher RAugust 11, 2026

From Serta

Lumpy and Can See Waves In Springs.

This mattress is like sleeping on a pothole bed. The coils are not correct and you fall into a hole and try and dig yourself out of the bed in certain areas. I have always bought certain mattresses and this one is purely miserable. I don’t know what I can do about it because you can’t sleep on it because it will give you severe bad pain.

Aimee GJuly 2, 2026

From Serta

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/366cba71-7719-5776-a471-b6a905354c32

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/e0051f28-b614-57fa-884a-613b6c94fed1

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/bdb452e2-da1e-574a-a07b-122163345474

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/cfdf2027-d3dc-5290-946c-9f4a6aac77a5

Response from Customer Experience

Hi there, thank you for taking the time to review your Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress. Your feedback is valuable to us. If y...

Customer ExperienceJuly 6, 2026

Oasis

Wonderful pillow top, cushy & comfortable.

Sharon AAugust 25, 2026

From Serta

Nice mattress

Seems good, yet to try

Arjun CAugust 25, 2026

From Serta

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86c2VydGE/b3a2c48f-4348-5c85-a958-f4c4d56e9fec

Serta: Featured Videos

COMPARE PRODUCTS

		Name	Current Item SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Twin extra long Cooling Innerspring Mattress
		Ratings	790
		Size	Twin extra long
		Comfort Level	Firm
		Type	Innerspring
SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Twin Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Queen Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Full Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Firm King Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Firm Queen Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Full Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 14.5-in Medium Twin extra long Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 12-in Extra firm Twin extra long Cooling Innerspring Mattress	SertaPerfect Sleeper Oasis Sleep 15-in Plush Twin extra long Cooling Innerspring Mattress with Boxspring Included
790	790	790	791	791	790	790	792	790
Twin	Queen	Full	King	Queen	Full	Twin extra long	Twin extra long	Twin extra long
Firm	Medium	Firm	Firm	Firm	Medium	Medium	Extra firm	Plush
Innerspring	Innerspring	Innerspring	Innerspring	Innerspring	Innerspring	Innerspring	Innerspring	Innerspring