Allswell Supreme vs Serta iComfort - 2025 Review

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Allswell Supreme

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Essential Information

Mattress Type
Hybrid (coils and foam)
Memory foam
Year Launched
1931
Brand
Allswell
Serta
Unique Points

The Supreme mattress by Allswell is the best in their lineup, constructed of the following layers:

  • Quilted Cover + Euro Top
  • Graphite & Copper Gel Infused Memory Foam
  • Energex Foam
  • Quantum Edge Individually Wrapped Coils.

With the iComfort by Serta® mattress, cool, supportive sleep is the priority. The base model (CF1000) has these layers:

  • Carbon Fiber Memory Foam
  • EverCool® Fuze Gel Foam.
  • Three upgrades are available at additional cost.
Video

Certifications

OEKO-TEX®
Red Cross. It means No, not available. Not included.
Red Cross. It means No, not available. Not included.
Red Cross. It means No, not available. Not included.
-
Red Cross. It means No, not available. Not included.
CertiPur-US®

Global Organic Textile Standard (GOTS)USDA Organic GREENGUARD Gold Eco-INSTITUT MADE SAFE® Rainforest Alliance Certified™ Forest Stewardship Council®

Other Certification Info

Firmness & Feel

Red Cross. It means No, not available. Not included. Green tick. It means Yes. It's available and good.
Red Cross. It means No, not available. Not included. Green tick. It means Yes. It's available and good.
Firmness For Everyone
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Select Your Firmness
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Adjustable Firmness
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Half-Half Firmness
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Flippable / Reversible Firmness
Firmness Info

That just-right medium-firm feel. Rated a 4.5 to 6.5 on the very unscientific firmness scale.

The base model (CF1000) is a medium comfort. Choose the cooling upgrade (CF2000) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000) and Max Cooling & Pressure Relief Upgrades (CF4000) offer a selection of feels - medium, plush, ultra plush and firm, plush, ultra plush.

Pricing

Twin
Twin XL
Double
Queen
King
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
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Construction & Materials

Image
Allswell Supreme
Serta iComfort
Layers
Quilted Cover + Euro Top, Graphite & Copper Gel Infused Memory Foam, Energex™ Foam, Quantum Edge Individually Wrapped Coils.
Carbon Fiber Memory Foam, EverCool® Fuze Gel Foam.
Cover
Quilted top panel woven with our signature A. This is a Euro top mattress with two layers of high-performance memory foam underneath its plush quilted surface which makes for a supreme sleep experience.
A Max Cold Cover is used in the CF3000 and CF4000 models. Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Machine-washable Cover
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Ergonomic Handles
Comfort
Stay asleep with individually-wrapped coils which help minimize motion transfer. Cooling graphite and copper gel layer absorbs and transfers heat away from the body.
Specifically designed mattress to keep even the warmest of sleepers cool. You don't have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Three cooling upgrades available: Cooling Upgrade (CF2000): 11.5" Additional cooling and firmer support. Max Cooling Upgrade (CF3000): 12.5" Cooler and more breathable. Max Cooling & Pressure Relief Upgrade (CF4000): 13.5" Feels and sleeps cooler, with air support layer to take pressure off joints. Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body. Gel Active® Max Foam (used only in CF2000 model) is an open celled memory foam helps promote airflow, so you don't have that hot, stuffy feeling when falling asleep. UltraCold System™ (used in the CF3000 and CF4000 models) The layer of extra-cool Carbon Fiber Memory Foam is engineered to work hard at absorbing excess heat from your body, then channel it away, all while you sleep comfortably.
Support
Two-sided edge support with Reinforced Quantum Edge - use the whole sleeping surface and easily get in and out of the bed. Energex™ foam provides pressure relief over a wide range of temperature.
Multi-layered foam technology adds support, resilience, and temperature regulation for the coolest, most comfortable sleep ever. Carbon Fiber Memory Foam provides exceptional strength for back and neck support. Air Support™ Foam (used only in CF4000 model) moves with your body and contours around it to help alleviate aches and pains caused by pressure points.
Manufactured in
United States
United States

Posts

Interesting bedtime reading articles

Size & Weight

Available Sizes
Twin, Twin XL, Full (Double), Queen, King, California King
Twin, Twin XL, Full (Double), Queen, King, California King
Mattress Depth
14 "
10 "
Twin
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Twin Weight (kg)
56
N/A
Twin XL
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Twin XL Weight (kg)
59
N/A
Full
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Full Weight (kg)
78
N/A
Queen
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Queen Weight (kg)
92
N/A
King
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
King Weight (kg)
116
N/A
Cal King
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Cal King Weight (kg)
116
N/A

FAQ

How thick is Allswell Supreme?

What is the weight limit for the Allswell Supreme?

How long can I leave an Allswell mattress in a box?

How long should a Serta iComfort mattress last?

Is Serta iComfort good for back pain?

Does Serta iComfort have coils?

Trial & Warranty

Free Trial
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Green tick. It means Yes. It's available and good. Red Cross. It means No, not available. Not included.
Sleep Trial
100
 Nights
120
 Nights
Warranty
10 years
10 years
Free Shipping
Green tick. It means Yes. It's available and good.
Green tick. It means Yes. It's available and good.
Free Returns
Yes
Yes

Delivery

Delivery Information

Allswell offers free ground shipping to the 48 contiguous US states & DC.

Serta mattresses are shipped using the fastest, safest, and most reliable method possible. After ordering, you will be contacted by XPO Logistics to schedule a delivery day and time.

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Thank you for checking out this Allswell Supreme vs Serta iComfort mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.