Twin XL Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

Twin XL Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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Customize King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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$749.00

Customize Cal King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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Cal King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
Cal King Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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$749.00

Customize Queen Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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Queen Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
Queen Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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$749.00

Customize Full Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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Full Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
Full Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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$749.00

Customize Twin Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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Twin Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
Twin Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

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$699.00

Customize Twin XL Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
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Twin XL Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress
Twin XL Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm 12.5 Inch Mattress

In stock

$725.00

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Expert Review video placeholder
Expert Review by Jed
From the quilt to the coil system, the Twin XL size Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm Mattress is a drastic improvement from the generation III model in every way. If you're searching for one of the best values in the Sealy line this year and prefer a firm Comfort Scale score of 3, this mattress may be the perfect choice for you.

Key updates in the Cooper Mountain IV Cushion Firm begin right in the quilt with the Comfort Loft Cover with MoistureProtect. This quilt contains performance enhancement that is designed to draw moisture away from your body throughout the night to keep you more comfortable. A layer of Sealy Cushion Air Foam supplies some initial body contouring, and it also helps promote increased airflow. The Cooper Mountain features SealyCool Gel Memory Foam in the center third that ensures better back support and prolonged durability. A layer of SealySupport Foam gives the mattress a firmer underlying feel, and it works well alongside the coil system to give you a more supportive, solid feel. The Sealy Response Pro Encased Coil System consists of several barrel-shaped coils that ensure you receive support where you need it. Each coil is encased, and this allows them to move independently for more targeted support and decreased motion transfer. Furthermore, the generation IV model has a density of over 200 more coils than the previous model. This coil system is conveniently adjustable base compatible, and it offers better contouring than tied coil systems. Also new to this year's line is the DuraFlex Edge, which is a flexible, high-density coil border that surrounds the mattress for better edge support, improved durability, and a more usable sleeping surface. This feature makes it possible to rest all the way at the edges and not feel like you're going to roll off the side.

To summarize, Sealy did an excellent job updating a customer favorite from the generation III line and making it even better. If you enjoy a firm feel and you're looking for one of the best mattress values available, the Twin XL size Sealy Posturepedic Response Performance Cooper Mountain IV Cushion Firm Mattress is a great way to go.

Physical Characteristics

Comfort This describes how a mattress feels. The Comfort Scale rating is based on how the cushioning materials conform to the body's shape. The higher the number the softer the mattress.

Quilt - Top of Mattress This is the outside cover on the top of the mattress. It covers and protects the comfort and support layers inside.

Comfort - Padding Layers This provides a cushioning layer between you and the support system in the bed. Different kinds of padding will provide different levels of comfort.

Correct Back Support System This is a general term used to describe how a mattress distributes and stabilizes body weight and maintains proper spinal alignment. Different materials provide different levels of support.

Box Spring - Foundation (optional)

Warranty This tells you what kind of warranty you have and how long it will last. A typical warranty lasts about 10 years.

  • Non-prorated
  • No Flip, No Rotate
  • 10 year warranty against manufacturer's defects

Made In This tells you where your mattress is manufactured.

  • United States

Code

  • MATT-907607, STD-907737, LP-907743

Physical Measurements

SizeHeightWidthLengthWeight
King12.5"76"80"91 lbs.
Cal King12.5"72"84"91 lbs.
Queen12.5"60"80"72 lbs.
Full12.5"53"75"59 lbs.
Twin12.5"38"75"43 lbs.
Twin XL12.5"38"80"46 lbs.
SizeCoil Count
King1117
Cal King1142
Queen911
Full791
Twin601
Twin XL639

Works With All Bed Types

Box Spring
Box Spring
Traditional Frames
Traditional Frames
Adjustable Bases
Adjustable Bases
Platform
Platform

Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!

Customer Reviews

Average Review

92%
41 Reviews
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Comfort Depth Overview

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Delivery Info

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Delivery Options & Timing:
Free In-Home Setup & Delivery
  1. TIMING: You'll receive your mattress in about 1 to 2 weeks, anywhere in the continental 48 states that's road accessible. Check your zip code for an estimated delivery date.
  2. IN-HOME WHITE GLOVE DELIVERY: It's super easy; the delivery team will bring in and place your new mattress in your bedroom, unpack it and take away the packaging. And mattress removal can be added for free when you select that option online. (Delivery is up to 2 flights of stairs. Additional arrangements are subject to charge by the delivery carrier.)
  3. SCHEDULING DELIVERY: You'll be called to arrange the delivery when your mattress arrives at the local delivery agent, approximately one week after ordering. Someone must be home to accept delivery.
  4. FURNITURE & BEDDING: Furniture & bedding deliver separately.
  5. WEEKEND OR EVENING DELIVERY: May be available for a nominal fee. Order by phone at 1-800-455-1052.
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Reviews

4.6 / 5.0
41 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
14
3
0
0
1
Sleep Position
Back (2)
Side (1)
Body Type
Petite (2)
Large (1)
Comfort compared to site specs
Softer (2)
Just Right (1)
Sleep Position
Back
Body Type
Petite
Comfort compared to site specs
Firmer
Love this mattress!
This mattress is perfect for me. I've had it for 2 weeks, already I have no more back pain and I haven't been tossing and turning!
October 14, 2019
Purchased
1 month ago
Sleep Position
Back
Body Type
Petite
Comfort compared to site specs
Just Right
Firm and yet soft enough to be comfy. Very impressed with how the ratings and information on this site seem to be spot on
September 26, 2019
Purchased
1 month ago
Sleep Position
Stomach
Body Type
Average
Comfort compared to site specs
Firmer
Awesome!
Love it! We used to own a sleep number and like this mattress much better!
September 9, 2019
Purchased
2 months ago
Sleep Position
Stomach
Body Type
Average
Comfort compared to site specs
Just Right
Best bed
Bed is very comfortable and on the firm side. My puppy approves. Best bed I have had in a long time. I have tried the memory foam beds and this is by far the best. I would not recommend a memory foam at all.
July 8, 2019
Purchased
5 months ago
Sleep Position
Side
Body Type
Average
Comfort compared to site specs
Softer
Ok overall
Seems more softer and hotter than advertised.
July 7, 2019
Purchased
8 months ago
Sleep Position
Side
Body Type
Average
Comfort compared to site specs
Just Right
great mattress
This mattress is amazing. It gives you all the support you need and enough plush to even out the whole package. thanks again US Mattress. J M.
July 6, 2019
Purchased
8 months ago
Sleep Position
Stomach
Body Type
Average
Comfort compared to site specs
Just Right
FANTASTIC!
What a wonderful mattress & exceptional shopping experience with US Mattress! The Sealy Cooper Mountain IV Cushion Firm mattress is everything as described & more in regards to firmness, support, & construction. Perfect in every way! And the professional, organized manner that US Mattress provides product, manufacturing, & delivery information makes this shopping experience one of the very best! I have & will continue to recommend US Mattress to others.
June 6, 2019
Purchased
6 months ago
Sleep Position
Side
Body Type
Average
Comfort compared to site specs
Just Right
Perfect!
I love my new mattress! It is the perfect firmness and I sleep ?? like a log! A great price,with free and easy delivery and the nicest delivery guys! I am enjoying my ?? lots more now!!!!!!
June 6, 2019
Purchased
5 months ago
good price, comfortable, everything we expected
March 11, 2019
Purchased
1 year ago
Outstanding!
Great mattress, great price, great delivery.
March 10, 2019
Purchased
11 months ago