🇺🇸 United States · Hybrid (coils and foam) vs Memory foam

Alexander Signature HybridvsSerta iComfort

Which one is best for you? Alexander Signature Hybrid vs Serta iComfort - 2026 comparison by Vs Mattress

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Alexander Signature HybridUp to 60% OffSerta iComfortCheck current deal.

Alexander Signature Hybrid

by Nest Bedding · Hybrid (coils and foam)

Up to 60% Off

LIFETIME · 100-night trial

Serta iComfort

by Serta · Memory foam

Check current deal.

10 years · 120-night trial

Pricing by size

Alexander Signature Hybrid

Twin$1,226

Twin XL$1,332

Full (Double)$1,759

Queen$2,132

King$2,452

California King$2,452

Serta iComfort

Twinn/a

Twin XL$2,099

Full (Double)$2,299

Queen$2,499

King$2,999

California King$2,999

Essential information

	Alexander Signature Hybrid	Serta iComfort
Type	Hybrid (coils and foam)	Memory foam
Launched	2011	1931
Brand	Nest Bedding	Serta
Made in	United States	United States
Unique points	A five layer construction: 0.5" 4 lb. Gel Infused Memory Foam & Super Soft Quilted Thermic Phase Change Fabric 3" TitanChil Endurance Foam® (3.5 - 4 lb.) 1" SmartFlow Support Foam (3 lb.) 8" Quantum Edge Support Pocketed Coils 1" Base Support Foam (3 lb.).	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

	Alexander Signature Hybrid	Serta iComfort
OEKO-TEX®	Yes	No
CertiPUR-US®	Yes	Yes
Certifications	–	CertiPur-US®
Other certification info	<p id="">Global Organic Textile Standard (GOTS)USDA OrganicGREENGUARD GoldEco-INSTITUTMADE SAFE®Rainforest Alliance Certified™Forest Stewardship Council®</p>	–
Sleep trial	100 nights	120 nights
Warranty	LIFETIME	10 years
Free shipping	–	–
Free returns	Yes	Yes
Pay later	Yes	Yes
Delivery info	Your new mattress can take up to 2-4 business days to make as they are made to order by hand in the USA. Then, we ship from the West Coast, so depending on where you live, it can take 1-5 business days in transit.	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

	Alexander Signature Hybrid	Serta iComfort
One firmness fits all	No	Yes
Select your firmness	No	No
Adjustable firmness	No	No
Half and half firmness	No	No
Flippable / reversible	No	No
Firmness info	–	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

	Alexander Signature Hybrid	Serta iComfort
Layers	Gel Infused Memory Foam & Super Soft Quilted Thermic Phase, Change Fabric, TitanChil Endurance Foam®, SmartFlow Support Foam, Quantum Edge Support Pocketed Coils, Base Support Foam.	Carbon Fiber Memory Foam, EverCool® Fuze Gel Foam.
Cover	A soft quilted, luxurious top layer of fabric greets you and provides a cool, comfy surface. This Thermic Phase Change Cooling fabric will help your body regulate its ideal sleeping temperature through the seasons.	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	Yes	No
Comfort	A layer of cooling Titanium Infused Memory Foam, the most innovative foam on the market today. Gently unzip your mattress to reveal the patented TitanChill Endurance Foam®. This layer is is engineered to bring your body optimal support, with the freedom of the free exchange program during your 100-night trial to move to a different firmness. The top layer of convoluted foam provides an ergonomically supportive surface and a more airy, breathable surface than traditional flat memory foam. We use our SmartFlow air flow system with punched foams and breathable layers to achieve maximum air flow.	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	Combining the most innovative titanium infused foam on the planet and the support of high quality individual coils with extra edge support, The Alexander Hybrid Signature Series is the most comfortable mattress on the internet. The Alexander Signature Hybrid Mattress utilizes a very durable individually pocketed coil unit with edge support coils all around the perimeter. This provides a movement-free sleep surface and supports the back perfectly.	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

	Alexander Signature Hybrid	Serta iComfort
Available sizes	Twin, Twin XL, Full (Double), Queen, King, California King	Twin, Twin XL, Full (Double), Queen, King, California King
Dimensions	Twin: 12 "	Twin: 10 "
Twin weight (kg)	55	N/A
Twin XL weight (kg)	60	N/A
Full (Double) weight (kg)	85	N/A
Queen weight (kg)	105	N/A
King weight (kg)	115	N/A
California King weight (kg)	115	N/A

FAQs

Alexander Signature Hybrid

Does the Sparrow mattress retain heat?

The Sparrow mattress is designed to dissipate heat effectively. It achieves this through its design that allows heated air to escape through the sides and bottom of the mattress. The foam within the quilted pillowtop also aids in releasing built-up heat from your body. With the right foundation and naturally cooling sheets, these features ensure a comfortable night's sleep.

Is the Sparrow mattress suitable for intimate activities?

The Sparrow mattress is ideal for couples due to its various features. It has increased edge support coils, handles for adjusting, and responsive foams that provide a supportive surface for both sleep and intimate activities.

How is the Sparrow mattress shipped and how long does it take to expand?

The Sparrow mattress is compressed, folded, and rolled into a large cardboard box for shipping. Once received, it will reach its intended height within 12 to 24 hours, although it might take up to 72 hours to fully expand.

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 Alexander Signature Hybrid 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.

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