🇺🇸 United States · Memory Foam vs Memory foam

MOLECULE 1vsSerta iComfort

Which one is best for you? MOLECULE 1 vs Serta iComfort - 2026 comparison by Vs Mattress

Vs Mattress is reader-supported, that means if you buy something via a link on this page, we might earn a commission. Thank you kindly.

MOLECULE 1Save $300-$700 OffSerta iComfortCheck current deal.

MOLECULE 1

by MOLECULE · Memory Foam

Save $300-$700 Off

Lifetime Warranty · 365-night trial

Serta iComfort

by Serta · Memory foam

Check current deal.

10 years · 120-night trial

Pricing by size

MOLECULE 1

Twin$699

Twin XL$699

Full (Double)$799

Queen$899

King$1,099

California King$1,099

Serta iComfort

Twinn/a

Twin XL$2,099

Full (Double)$2,299

Queen$2,499

King$2,999

California King$2,999

Essential information

	MOLECULE 1	Serta iComfort
Type	Memory Foam	Memory foam
Launched	–	1931
Brand	MOLECULE	Serta
Made in	United States	United States
Unique points	The MOLECULE 1 combines 3 layers of foam: Microban® Cover Restoreflo™ Recoveryflo™ Contourflo™	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	–	Introducing the iComfort 2020 Foam Collection

Certifications & trial

	MOLECULE 1	Serta iComfort
OEKO-TEX®	No	No
CertiPUR-US®	Yes	Yes
Certifications	CertiPur-US®	CertiPur-US®
Other certification info	–	–
Sleep trial	365 nights	120 nights
Warranty	Lifetime Warranty	10 years
Free shipping	–	–
Free returns	Yes	Yes
Pay later	Yes	Yes
Delivery info	Our deliveries are exclusively handled by FedEx, and you should expect your mattress within one week from when you place your order.	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.

Firmness & feel

	MOLECULE 1	Serta iComfort
One firmness fits all	Yes	Yes
Select your firmness	No	No
Adjustable firmness	No	No
Half and half firmness	No	No
Flippable / reversible	No	No
Firmness info	Both MOLECULE mattresses are considered to be medium to medium-firm.	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.

Construction & materials

	MOLECULE 1	Serta iComfort
Layers	Restoreflo™, Recoveryflo™, Contourflo™	Carbon Fiber Memory Foam, EverCool® Fuze Gel Foam.
Cover	Our advanced cover features a unique combination of heat and moisture wicking technologies to regulate the microclimate between your body and the sleep surface. Microban® treatment helps prevent the growth of odor and stain-causing bacteria for a cleaner sleep.	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.
Machine-washable cover	No	No
Ergonomic handles	No	No
Comfort	Proprietary foam features exceptional pressure relief combined with enhanced airflow properties. Precision-contoured 3D geometric surface provides targeted, self-adjusting support for different parts of 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	The foundation of the MOLECULE mattress. An ample 7” of firm support fosters healthy spine alignment. Breathable materials promote even more airflow and heat transfer.	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.
Posts	–	–

Size & weight

	MOLECULE 1	Serta iComfort
Available sizes	Twin, Twin XL, Full, Queen, King, California King	Twin, Twin XL, Full (Double), Queen, King, California King
Dimensions	Twin: 12.25 "	Twin: 10 "
Twin weight (kg)	46	N/A
Twin XL weight (kg)	48	N/A
Full (Double) weight (kg)	60	N/A
Queen weight (kg)	72	N/A
King weight (kg)	87	N/A
California King weight (kg)	87	N/A

FAQs

MOLECULE 1

What firmness is Molecule 1 mattress?

The Molecule 1 mattress has a medium firmness, rated as a 6 out of 10 on the firmness scale.

Is Molecule mattress safe?

Yes, the Molecule mattress is safe. The foams used are CertiPUR-US certified, meaning they're free of certain harsh metals and chemicals.

Is Molecule 1 or 2 better?

Both Molecule mattress models are constructed with proprietary foam layers. The Molecule 1 is more affordable, while the Molecule 2 offers more zoned support and a comfort layer with improved airflow.

Serta iComfort

How long should a Serta iComfort mattress last?

The Serta iComfort mattresses, made with high-density foams, are expected to last for a minimum of 10 years. Regular rotation of the mattress can help prolong its lifespan.

Is Serta iComfort good for back pain?

The Serta iComfort mattress could be beneficial for those experiencing back pain or discomfort at pressure points. Its carbon fiber memory foam core provides firm yet adaptable support, making it a good choice for back sleepers.

Does Serta iComfort have coils?

Yes, the Serta iComfort mattress does contain coils. The new Smooth Hybrid line features Serta's 100 Series 5-Zone Quad Coil Support System, made with 85% recycled steel, which provides targeted pressure relief and support.

Wrap up

Thank you for checking out this MOLECULE 1 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.

Related comparisons

← All United States comparisons