Name: Serta® iSeries NXG™ 13.5" Hybrid 3500 Firm Smooth Top Twin XL Mattress
Brand: Serta
SKU: 1875741
Price: 2299 USD
Availability: OutOfStock
Rating: 4.9 (15 reviews)

Stationary Sofas

Reclining Sofas

Sofa Sleepers

Chaise Sofas

Convertible Sofas & Futons

Sofas

Stationary Loveseats

Reclining Loveseats

Sleeper Loveseats

Loveseats

Stationary Sectionals

Reclining Sectionals

Sleeper Sectionals

Chaise Sectionals

Modular Sectionals

Sectionals

Accent Chairs

Recliners

Lift Chairs

Chair & Ottoman Sets

Rocking Chairs

Chaise Lounger

Sleeper Chairs

Chairs & Recliners

Reclining Furniture

Standard Ottomans

Poufs

Cube Ottomans

Ottomans

Accent Tables

Coffee Tables

Console & Sofa Tables

Occasional Tables

TV Stands

Media Consoles

Media Chests

Entertainment Centers

Media Towers

TV Stands & Entertainment Centers

Stationary Seating Sets

Reclining Seating Sets

Occasional Table Sets

Full Living Room Sets

Living Room Sets

Power Reclining Theater Seating

Manual Reclining Theater Seating

Theater Seating

Accent Benches

Storage Benches

Entryway Benches

Hall Trees

Benches

Living Room

Standard Height Tables

Counter Height Tables

Pub & Bar Height Tables

Tables

Dining Chairs

Dining Stools

Dining Benches

Seating

Sideboards & Buffets

Accent Cabinets

Display Cabinets

Dining Hutches

Cabinets

Bars

Bar & Serving Carts

Bar & Wine Cabinets

Bar & Wine

Dining Table & Chair Sets

Full Dining Room Sets

Dining Room Sets

Dining Room

Beds

Dressers

Dresser and Mirror Sets

Chest of Drawers

Nightstands

Dresser & Vanity Mirrors

Accent Mirrors

Full Length Mirrors

Bedroom Mirrors

Vanity Sets

Vanity Tables

California King Size Bedroom Sets

King Size Bedroom Sets

Queen Size Bedroom Sets

Full Size Bedroom Sets

Twin Size Bedroom Sets

Bedroom Sets

Bedroom

California King

King

Queen

Full

Twin XL

Twin

Crib

Mattress Sizes

Extra Firm

Firm

Medium Firm

Medium

Medium Plush

Plush

Ultra Plush

Mattress Comfort

Serta

Beautyrest

Sealy

Tempur-Pedic

Stearns & Foster

Additional Mattress Brands

Mattress Brands

Pocketed Coil

Wrapped Coil

Latex

Euro Top

Pillow Top

Tight Top

Box Top

Smooth Top

Innerspring

Gel Memory Foam

Memory Foam

Hybrid

Mattress in a Box

Foam

Mattress Type

Adjustable Bases

Standard Foundations

Low Profile Foundations

Ultra Low Profile Foundations

Standard Bed Frames

Bunkie Boards

Foundations

Pillows

Bed Sheets

Comforters

Mattress Toppers

Bedding Protectors

Blankets & Throws

Foundation Covers

Bedding

Futon Mattresses & Covers

Mattresses

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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

Serta® 2" Queen 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, platfor

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.

Mattress Size:Twin XL

Mattress Comfort Level:Firm

Mattress Construction:Hybrid