Name: Serta® iSeries NXG™ 12" Hybrid 1500 Firm Smooth Top King Mattress
Brand: Serta
SKU: 1875738
Price: 2899 USD
Availability: InStock
Rating: 4.9 (22 reviews)

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Serta® Perfect Sleeper® 5" Twin Low Profile Foundation

The Serta® Perfect Sleeper provides the extra height and support for your mattress.

Serta® Perfect Sleeper® 5" Split Queen Low Profile Foundation, Includes 2 pieces

The Serta® Perfect Sleeper Foundation provides the extra height and support for your mattress.

Serta® Perfect Sleeper® 5" Queen Low Profile Foundation

Serta® Perfect Sleeper® 5" King Low Profile Foundation, Includes 2 Pieces

The Serta® Perfect Sleeper® low profile foundation, includes 2 pieces, provides sturdy, supportive bedding for a comfortable night’s sleep. Its low-profile design fits under most mattresses, enhancing stability, durability, and overall sleep quality while maintaining a sleek look.

Serta® Perfect Sleeper® 5" Twin XL Low Profile Foundation

Serta® Perfect Sleeper® 5" Full Low Profile Foundation

Serta® Perfect Sleeper® 5" California King Low Profile Foundation, Includes 2 Pieces

Serta® 2" Twin Bunkie Board

Twin Low FoundationElevate your bed’s performance with a high-quality bunkie board. Crafted for strength and stability, it delivers firm, even support that enhances mattress comfort and extends its lifespan. Its sleek, low-profile design fits perfectly on bunk beds, platform frames, and daybeds—giving you a smoother sleep surface and a cleaner, more modern bedroom setup.

Serta® 2" Full Bunkie Board

Elevate your bed’s performance with a high-quality bunkie board. Crafted for strength and stability, it delivers firm, even support that enhances mattress comfort and extends its lifespan. Its sleek, low-profile design fits perfectly on bunk beds, platform frames, and daybeds—giving you a smoother sleep surface and a cleaner, more modern bedroom setup.

Serta® 2" Twin XL Bunkie Board

Serta® 2" King Bunkie Board. Includes 2 Pieces

Serta® 2" Queen Bunkie Board

Serta® 2" California King Bunkie Board

Serta® 2" Split Queen Bunkie Board, Includes 2 Pieces

Serta® 9" Twin Standard Foundation

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed and is designed to provide durability and long-lasting comfort. Pairing this bed base with your mattress will support it and extend its life while helping isolate the effect of your partner’s movements in bed. 

Serta® 9" Twin XL Standard Foundation

Serta® 9" Full Standard Foundation

Our Serta Flat Mattress Foundation is a box spring alternative and is designed for long-lasting support and reduced motion for an indulgent night’s sleep.

Serta® 9" Queen Standard Foundation

Serta® 9" King Standard Foundation, Includes 2 Pieces

The Serta flat mattress foundation is a durable box spring alternative that provides ideal support for your Serta mattress. It adds 9 inches of height to your bed, enhances comfort, helps reduce motion transfer, and extends mattress life through stable, long-lasting construction and reliable everyday performance.

Serta® 9" California King Standard Foundation, Includes 2 Pieces

Serta® 24 Waterfall 9" Twin Standard Foundation

An alternative to a box spring, the Serta Mattress Foundation provides the perfect support for your mattress while adding 9" in height to your bed. Designed to provide durability and long-lasting comfort, pairing this bed base with your mattress will not only support it but can help extend its life. It also helps isolate the effect of your partner's movements in bed, so you both experience uninterrupted sleep.

Serta® 24 Waterfall 6" California King Low Profile Foundation, Includes 2 Pieces

An alternative to a box spring, the Serta Mattress Foundation provides the perfect support for your mattress while adding 6" in height to your bed. Designed to provide durability and long-lasting comfort, pairing this bed base with your mattress will not only support it but can help extend its life. It also helps isolate the effect of your partner's movements in bed, so you both experience uninterrupted sleep.

Serta® 24 Waterfall 6" Twin Low Profile Foundation

Serta® 24 Waterfall 9" Twin XL Standard Foundation

Serta® 24 Waterfall 6" Queen Low Profile Foundation

Serta® 24 Waterfall 6" King Low Profile Foundation, Includes 2 Pieces

An alternative to a box spring, the Serta mattress foundation provides the perfect support for your mattress while adding 6" in height to your bed. Designed to provide durability and long-lasting comfort, pairing this bed base with your mattress will not only support it but can help extend its life.

Serta® 24 Waterfall 9" Full Standard Foundation

Serta® 24 Waterfall 9" Split King Standard Foundation, Includes 2 Pieces

An alternative to a box spring, the Serta mattress foundation provides the perfect support for your mattress while adding 9" in height to your bed. Designed to provide durability and long-lasting comfort, pairing this bed base with your mattress will not only support it but can help extend its life.

Serta® 24 Waterfall 6" Twin XL Low Profile Foundation

Serta® 24 Waterfall 9" California King Standard Foundation, Includes 2 Pieces

Serta® 24 Waterfall 6" Split King Low Profile Foundation, Includes 2 Pieces

Serta® 24 Waterfall 6" Full Low Profile Foundation

Serta® 24 Waterfall 9" Queen Standard Foundation

Serta® 24 Waterfall 9" King Standard Foundation, Includes 2 Pieces

Serta® Flat Twin Standard Foundation

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed and is designed to provide durability and long-lasting comfort.

Serta® Flat Queen Low Profile Foundation

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6” in height to your bed and is designed to provide durability and long-lasting comfort.

Serta® Flat Queen Standard Foundation

Serta® Flat King Low Profile Foundation, Includes 2 Pieces

The Serta® flat mattress foundation is a box spring alternative and provides the perfect support for your Serta® mattress, adds 6” in height to your bed and is designed to provide durability and long-lasting comfort.

Serta® Flat Full Low Profile Foundation

Serta® Flat California King Low Profile Foundation, Includes 2 Pieces

Serta® Flat Twin Low Profile Foundation

Serta® Flat Twin XL Low Profile Foundation

Serta® Flat California King Standard Foundation, Includes 2 Pieces

The Serta® flat mattress foundation is a box spring alternative and provides the perfect support for your Serta® mattress, adds 9” in height to your bed and is designed to provide durability and long-lasting comfort.

Serta® Flat King Standard Foundation, Includes 2 Pieces

Serta® Flat Full Standard Foundation

Serta® Flat Twin XL Standard Foundation

Serta® Flat Split Queen Low Profile Foundation, Includes 2 pieces

Serta® iSeries NXG™ 12" Memory Foam Luxury 1500 Firm Smooth Top Twin XL Mattress

Experience a series of benefits delivering immediate cooling, instant pressure relief, and ideal support for a deeper, more restful sleep at a price that makes sense. Featuring high-density memory foam, NXG™ memory foam for deep, contouring pressure relief.

Serta® iSeries NXG™ 13.5" Hybrid 3500 Firm Smooth Top Twin XL Mattress

Serta® iSeries NXG™ the next generation of comfort. Designed with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief, and ideal support for a deeper, more restful sleep at a price that makes sense.

Serta® iSeries NXG™ 13.5" Hybrid 3500 Firm Smooth Top Full Mattress

Serta® iSeries NXG™ 12" Hybrid 1500 Firm Smooth Top Queen Mattress

Serta® iSeries NXG™ 12" Hybrid 1500 Firm Smooth Top King Mattress-1

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Serta Mattress Warranty (1).pdf

Mattress Delivery What To Expect with Captions

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Serta® iSeries NXG™ 12" Hybrid 1500 Firm Smooth Top King Mattress

Meets federal fire retardant safety standard

A 5-zoned coil system offers targeted support for your back and body with BestEdge® Support for lasting, edge-to-edge mattress stability

Innovative, high-density, premium memory foam for deep, contouring pressure relief

Topped with a cool-to-the-touch CoolFeel™ Cover and Carbon Fiber Memory Foam draws heat away from the body

Designed to minimize the impact of your partner's movement

This firm feel mattress with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief, and ideal support for a deeper, more restful sleep at a price that makes sense. High-density NXG™ Memory Foam provides deep, contouring pressure relief. A cool-to-the-touch cover offers immediate cooling, while Carbon Fiber Memory Foam draws heat away from the body for all-night comfort. The hybrid models feature a 5-zone coil system with alternating firm and plush areas to better support the curves of your back and body.

CertiPUR-US® Certified means our foam was tested for and is free from harmful chemicals and gasses

Mattress Size:King

Mattress Comfort Level:Firm

Mattress Construction:Hybrid