Name: Serta® Classic® Alden 11.5" Wrapped Coil Medium Tight Top Twin XL Mattress
Brand: Serta
SKU: 1554807
Price: 329 USD
Availability: InStock
Rating: 4.7 (445 reviews)

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Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Queen Mattress in Box

Comfort has never been more convenient. The new 8” Serta® Sheer Slumber™ EZ Tote mattress delivers quality comfort to your front door in our smallest carton ever. We’ve combined cooling Serta® Gel Memory Foam with our durable Serta® Foam Core for cool, supportive comfort that keeps you in dreamland all night long. Step up to the 10” Serta® Sheep Retreat™ EZ Tote mattress for an added layer of Serta® Transitional Support Foam so you can get that sleep-til-noon rest you’ve always wanted. Simply unpack, unroll, and unwind!

The new Serta® Sheer Slumber® mattress delivers quality, convenient comfort to your front door in our smallest carton ever. We’ve combined cooling Serta® Gel Memory Foam with our durable Serta® Foam Core for a cool, supportive mattress that keeps you in dream-land all night long.

This unique gel memory foam contours to the body for cushioning comfort and allows airflow to keep you cool and comfortable throughout the night.

Our new and improved Serta Foam Core provides durable support for any sleep position. With consistent support from edge to edge, you'll be comfortably supported all night long

This foam support layer provides all-over body support and long-lasting comfort.

Serta has been in the sleep industry for over 90 years and has been dedicated the entire time to helping people like you find a solution to your sleep problems so you can finally sleep better than you ever have. We love helping people find their best sleep and this is why our brand exists. Serta has been in the sleep industry for over 90 years and has been dedicated the entire time to helping people like you find a solution to your sleep problems so you can finally sleep better than you ever have. We love helping people find their best sleep and this is why our brand exists.
We believe that mattress shopping shouldn’t be stressful. We also believe whether you are buying online or in-store, you should be comfortable during the entire purchase process. So no matter if you're a back, stomach or side sleeper or if you sleep at night or during the day, we have a product to help you get the sleep you deserve. Check out some of the things we’ve learned along the way that help us to continue to be able to bring new sleep innovations to the table.

*Mattress only, all other products sold separately. Images may not depict actual size.

We’ve combined cooling Serta® Gel Memory Foam and supportive Serta® Foam Core in our smallest carton ever to bring you cool, convenient comfort.   

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Twin Mattress in Box

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Full Mattress in Box

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top King Mattress in Box

Serta® Sheer Slumber™ Gel Memory Foam Medium Firm Tight Top Twin Mattress in a Box

The new Serta Sheer Slumber mattress delivers quality, convenient comfort to your front door in our smallest carton ever. We’ve combined cooling Serta Gel Memory Foam with our durable Serta Foam Core for a cool, supportive mattress that keeps you in dream-land all night long.

Serta® Sheer Slumber™ Gel Memory Foam Medium Firm Tight Top Full Mattress in a Box

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Twin Mattress in a Box

Comfort has never been more convenient. The new Serta Sheep Retreat mattress delivers long-lasting comfort to your front door in our smallest carton ever. Thanks to the unique combination of Serta Gel Memory Foam, Serta Transitional Support Foam and Serta Foam Core you can get that sleep-til-noon rest you’ve always wanted.

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Queen Mattress in a Box

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top Full Mattress in a Box

Serta® Sheer Slumber™ Gel Memory Foam Medium Firm Tight Top Queen Mattress in a Box

Serta® Sheep Retreat™ Gel Memory Foam Medium Tight Top King Mattress in a Box

Serta® Sheer Slumber™ Gel Memory Foam Medium Firm Tight Top King Mattress in a Box

Sheep Retreat Medium 10" Gel Memory Foam Mattress

This unique gel memory foam contours to the body for cradling comfort and allows airflow to keep you cool and comfortable throughout the night.

Provides durable support for any sleep position. With consistent support from edge to edge, you'll be comfortably supported all night long.

*Mattress only, other products sold separately. Images may not depict actual size.

Sheer Slumber Medium Firm 8" Gel Memory Foam Mattress

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® Classic® Alden 11.5" Wrapped Coil Medium Tight Top Twin Mattress-1

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Serta® Classic® Alden 11.5" Wrapped Coil Medium Tight Top Twin XL Mattress

Support - Featuring 3 zones for lower back support plus an 800-density individually wrapped coil system for classic comfort

Pressure relief - Cushioning foams help relieve aches and pains

Cooling - Topped with a breathable fabric so you sleep and wake refreshed

Motion control - Designed to minimize the impact of your partner's movement

Rest refreshed with a breathable mattress cover

A soft, breathable mattress cover helps you rest and wake refreshed

A cushioning foam relieves pressure while promoting airflow

3 zones provide lower back support for classic comfort

With an 800 edition custom support coil system

Durable, individually-wrapped coils help you sleep supported all night

Featuring a soft, breathable cover, PillowSoft® Aire foam, and an 800-density coil support system, this mattress helps you sleep comfortably and wake ready to ease into your day. With 3 zones for lower back support, this mattress balances cool breathability with responsive support for a classically comfortable rest.

Lbs (high)

Lbs (low)

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 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.