iSeries NXG™
Adjustable Bases
Inside Your Serta® iSeries NXG™ 1500 Luxury Firm
Immediate Cooling
Cool-to-the-touch fabric delivers instant cooling, and Carbon Fiber Memory Foam redistributesheat.
Instant pressure relief
High-density NXG™ Memory Foam cradles your body and relieves pressure.
Ideal support
A high-density foam core provides durable support with Ultimate Edge Support.
Shopping your way
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FAQs
What does “NXG” mean?
NXG stands for Next Generation. It represents the evolution of the iSeries line — upgraded with higher-density foams, improved cooling technology, and refined feels across every comfort level.
What firmness options are available?
You can choose from plush, medium, or firm models to match your preferred comfort and support level.
Does this mattress Sleep Cool?
Hybrid models combine memory foam with an advanced coil system for a slightly more responsive, supportive feel and better airflow.
All-Foam models offer a smoother, more body-hugging feel that absorbs more motion and contours closely to your shape.
Is iSeries NXG compatible with adjustable bases?
Yes, every iSeries NXG model works seamlessly with Baselogic® adjustable bases for customizable comfort and support.
Ratings & Reviews
This bed is absolutely the best. I haven't slept this good in years. This bed is so supportive, and it kept me cool all night. This bed is definitely durable.
Helps my support my back.
I have scoliosis so I need extra support for my back, and I need a bed that’s firm but not too firm. This mattress is a DREAM. I usually wake up with back pain but I haven’t since I started sleeping on this. Usually you’d think you would want a soft mattress you sink into, but you actually want the opposite and need support. This supports my whole body, back included! I received it from Influenster to try out and give me honest opinion of. My husband is a big guy too who usually goes to bed later than me, and when he gets into bed I don’t get woken up. The mattress keeps me balanced - like those old commercials where people jump on the bed with a glass of wine on the other side lol! It’s soft and conforms to my body. I live in Arizona too where it’s still about 85 degrees even in fall, and the cooling technology of the bed is a blessing. It’s pretty pricey but mattresses last for so many years it’s well worth the investment. I’ll be telling all my family members and friends about it too!
I’m obsessed!! It’s very comfortable. I got a medium firm, wiithout feeling too hard or mushy. It feels very stable , sitting on one side doesn’t affect the other side. Very good quality. Good value for money. Highly recommend!
*Purchase select Serta(R) iSeries NXG(TM) mattresses between November 4, 2025 and December 2, 2025 and receive up to $425 in mattress savings. Plus save up to $300 on a qualified baselogic(TM) adjustable base. Savings offers on the mattresses will vary by model. The maximum $725 savings applies to any size eligible mattresses with any size baselogic(TM) Platinum adjustable base. These offers may not be applied to previous purchases, cannot be combined with other offers and are only available at participating retailers in the 50 United States and District of Columbia while supplies last. Product availability, pricing and offer dates may vary by retail location. Void where prohibited by law. (C) 2025 Serta, Inc. All rights reserved. See serta.com for full details.