Blue 300 Firm

Firm Soft
Floor Model Sale!

Blue 300 Firm

Firm Soft

The Blue 300 Firm model is an extra-firm mattress with a layer of Serta’s Deep Reaction Memory foam for a comfortable feel. Layers of Serta’s TempActiv™ Gel Memory Foam and EverCool® Fuze™ Memory Foam provide enhanced cooling comfort for every curve of your body.

Adjustable Compatible
Adjustable Compatible
Temp Active Gel Memory Foam
Temp Active Gel Memory Foam
Special Price $1,499.00 Regular Price $1,499.00
New and Improved
New and Improved

iComfort, a staple of the memory foam category, has been enhanced for better performance

Cooling Comfort
Cooling Comfort

Serta added cooling technologies to their products for cooling and conforming qualities

Serta's Most Advanced Sleep System
Serta's Most Advanced Sleep System

Designed from the inside out, the 2017 collection is the best ever

A smooth, supple, and breathable cover enhances the feel of the foam mattress
A dual-action gel memory foam is not only infused with thousands of TempActiv™ temperature-regulating gel beds, but also features an additional gel layer for body support. This foam helps the mattress capture and dissipate heat away from the sleep surface and provides excellent support every curve of your body. Comfort Layer Breakdown: 1 ½” Deep Reaction™ Memory Foam 1” Serta® Support Foam 1” EverCool® Fuze™ Memory Foam ¾” TempActiv™ Gel Memory Foam
This advanced foam system is designed to help support your body throughout the night, promoting a more restful night’s sleep. Unlike other memory foam support systems, it features enhanced edge support to help reduce annoying edge “roll-off”, providing more room to stretch. Profile: 7” Serta® Ultimate Edge® Foam Core

Manufacturer Information

The Serta Tradition
For more than 80 years, Serta has been manufacturing mattresses to the highest quality and safety standards. Today, Serta is the #1 mattress manufacturer in America, as they continue to design beds that give their customers deep, restorative, and healthy sleep.

No Warranty
Floor model purchased as is, no warranty.

CertiPUR Foam
All Serta Polyurethane Foams adhere to the highest standards for product quality and safety. All Serta foams have been certified by CurtiPUR-US. This means the beds are free of formaldehyde, flame-retardants, prohibited phthalates and heavy metals and also meet low-VOC standards for indoor air quality. Learn more about the eco-friendly certification process Serta foams go through.

Additional Comfort Types


More Information
TypeMemory Foam
Comfort LevelFirm
Body Impression for ReplacementN/A
Motion TransferNone
DimensionsKing- W: 76 L: 80
Cal King- W: 72 L: 84
Queen- W: 60 L: 80
Full- W: 53 L: 75
Twin XL- W: 38 L: 80
Split King- W: 76 L: 80
Split Cal King- W: 72 L: 84
Manufacturing LocationMoreno Valley, CA
Customize Your Mattress for a Better Night's Sleep

For the ultimate sleep system, pair your mattress with an adjustable base, frame, or mattress protector.

Sleep With Confidence

100 Night Comfort Guarantee

To ensure your comfort we offer a 100 night sleep guarantee. Sleep up to 100, but no less than 30 nights. If you feel the bed does not fit your comfort needs, you may select a mattress of equal or greater value with zero fees. You simply pay for the redelivery of the new mattress.

Full Details


If you live within Los Angeles County we offer free same day delivery for purchases +$499.99 (if the order is placed before 2 PM and the merchandise is in stock). For all other SoCal zip codes we offer free next day delivery on purchases +$499.99. If you live outside of our delivery bounds the delivery window is between 6-10 days.

Full Details

Frequently Asked Questions

If you tend to sleep hot, all foam mattresses will sleep hotter than a traditional bed. On a traditional mattress, body heat can circulate among the bed’s spring coils. But on a foam bed, body heat gets trapped in the foam molecules. If you still love the feel of memory foam, but are worried about heat issues, we implore you to explore Ortho Avant CoolQuilt, Tempurpedic Breeze, and Serta Icomfort mattresses.
Due to the resilient nature of Memory Foam, these mattresses have among the longest lifespans of all beds. Contrary to popular belief, foam mattresses last longer than traditional spring coil beds. From one important perspective, the warranty for a foam bed is twice as good as a spring mattress. For a foam bed, a body impression .75" or higher is covered in your warranty. Whereas for a spring bed, a body impression 1.5" or higher is covered.
Gel memory foam utilizes gel particles within the memory foam to help prevent heat retention in the mattress and to allow for a cooler sleep- Similar thought processes as gel inserts for shoes.
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