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4.6 | 360 Reviews

Classic Alden 11.5" Medium Mattress -Twin

Classic

Features

  • Breathable Cover A soft, breathable cover helps you rest and wake refreshed
  • 3 Zoned Body Support offers 3 separate zones to provide lower back support for classic comfort
  • This 800-coil density system provides contouring, cradling support and minimizes motion transfer
  • CertiPUR-US® Certified

Quick Specs

  • Brand: SERTA
  • Line: Classic
  • Type: Tight Top
  • Width: 38"
  • Height: 11.5"
  • Depth: 74.5"

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Featuring 3 zones for lower back support, breathable fabrics, and responsive coils for classic comfort-plus upgrades available for cooling pressure relief.

Features

  • Breathable Cover A soft, breathable cover helps you rest and wake refreshed
  • 3 Zoned Body Support offers 3 separate zones to provide lower back support for classic comfort
  • This 800-coil density system provides contouring, cradling support and minimizes motion transfer
  • CertiPUR-US® Certified
  • Designed and Built in USA
  • Adjustable Friendly
  • 10 Year Warranty
  • Your new mattress may initially feel firmer than expected. Please allow up to 60 days to acclimate to your new mattress as it naturally adjusts to contour, comfort, and support you best
  • Medium - Perfect for all sleepers-side, back, stomach or combination sleepers
  • Premium memory foam is temperature-sensitive; it may feel firmer in cooler temperatures and softer in warmer ones. For your preferred comfort, please allow several hours for your memory foam mattress to adjust to the room's temperature
Brand Serta
Manufacturer Name Serta Simmons Bedding LLC
UPC 810150416466
Computed Mattress Size Twin
Country of Manufacture USA
Assembled in USA? Yes
Computed Product Type One Sided Mattress
Product Category Mattress
Family Name Classic
SubFamily Name Alden
Mattress Top Type Tight Top
Mattress Type Innerspring
Product Type Mattress
Year of Launch 2024
Dealer Line National Line
Layer 1 Material Fiber Based Layer
Layer 1 Thickness (in) 0.1
Layer 2 Material PillowSoft Aire
Layer 2 Thickness (in) 1
Layer 3 Material PillowSoft Foam
Layer 3 Thickness (in) 0.5
Layer 4 Material 3 Zone Body Support
Layer 4 Thickness (in) 1
Layer 5 Material 800 Edition Custom Support Coil System
Layer 5 Thickness (in) 8
Layer 6 Material Serta Balanced Support
Layer 6 Thickness (in) 1
Product Depth (in) 74.5
Product Height (in) 11.5
Product Width (in) 38
Shipping Depth (in) 74.5
Shipping Height (in) 11.5
Shipping Width (in) 38
Product Weight (lb) 43.35
Shipping Weight (lb) 43.35
Adjustable Base Compatible? Yes
Antimicrobial? No
Breathable Construction? Yes
Coil Count 324
Cooling Technology? No cooling technology
Edge Support? Yes
Foam Infusion? None
Handles Included? No
Hypoallergenic? No
Is Mattress 2 Sided? No
Latex Free? Yes
Low Motion Transfer? Yes
Lumbar Support Yes
Mattress Comfort Level Medium
Mattress Cover Design Geometric
Mattress Cover Stitch Design None
Mattress In A Box? No
Memory Foam? Yes
Moisture-Wicking? Yes
Natural Fibers? No
Pillow Top? No
Primary Foam Type Polyurethane
Product Accent Color Light Blue
Quilted Cover? No
Reinforced Center? No
Side Color Off-White
Top Cover Color Multicolor
Weight Capacity 1000
Zipper Cover Machine Washable? N/A
Zipper Cover? No
Product Warranty Length 10
Does it Ship in a box No

Quick Specs


  • Manufacturer

  • Brand: SERTA
  • Line: Classic

  • Appearance

  • Type: Tight Top

  • Dimensions

  • Width: 38"
  • Height: 11.5"
  • Depth: 74.5"

Video Assets

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Mattresses can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new bedding should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

4.6 out of 5

90% of reviewers recommend this product.

5 Stars

Great mattress

Mark S 5/8/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

king slumber RTL

Sabina A 5/8/2026

mattress is very comfortable for me and my family! 10/10
Originally posted on www.serta.com

Yes, I recommend this product

3 Stars

Morning slumber

Sherry D 5/8/2026

Just put it in room. Haven't slept on it yet. It's in kids room. So far seems like it will be great! Purchased queen size.
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Mattress

Keith C 5/7/2026

Just bought it at Sam's club
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Great sleep

Cilicia M 5/7/2026

I haven't had this good of sleep in an while. Glad I made the purchase
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

The best sleep I have gotten in years. And I just got it.

Patrick V 5/5/2026

Thank you for for still being number 1 in mattresses.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Nice

Teresa T 5/4/2026

Very comfortable
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Serta mattress

Bill H 5/4/2026

Great mattress for a great price
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

5 stars

Jazmine A 5/4/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Brand New

Katelyn M 5/4/2026

I love that this was a three piece with lower frame box springs.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Catherine's mattress

Catherine L 5/3/2026

Excellent sleep from the first night
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Good product, great price

Ronald H 5/3/2026

Originally posted on www.serta.com

Yes, I recommend this product

1 Stars

Wish better quality

Raul R 5/2/2026

After one year mattress has hole in middle
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Great mattress for a great price

Jackie L 5/2/2026

Got this mattress for a great price and it is comfortable.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Great mattress

Carlos M 5/2/2026

One of the best mattress ??
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Serra Mattress

Barbara f G 5/1/2026

So far, it feels very comfortable.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

King mattress

Sheldon F 4/30/2026

I love this king mattress. It was very comfortable and was a goodbye.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Amazing

Laney J 4/30/2026

The comfiest mattress
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Sleeps good.

Dana S 4/30/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Comfortable

Michael S 4/30/2026

So far so good. Not to firm and not to soft, it's perfect comfort.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Love It

Yvonne S 4/22/2026

comfortable great mattress for "Murphy" Bed
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Serta

Patrice J 4/14/2026

Supportive and comfortable!
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Basic medium-firm mattress

Scott H 4/11/2026

Medium-firm, not excessive
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

comfortable

Pamm Z 3/28/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

No break-in needed

Karen F 3/15/2026

Comfortable the first night.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Awesome !

Stephanie G 3/3/2026

Helped me so much with my sciatica issues. Excellent quality
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Yummy!

Judith J 2/27/2026

We're very excited to be getting our new Serta
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Nadia's

Fred S 2/24/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Mattress

Denise M 2/17/2026

Helped his backache so much almost didn't want get out bed
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Good product for the price

John S 2/15/2026

Seems comfortable and meets our firmness criteria but then again its brand new so time will tell.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Pixie med classic

Erin A 2/6/2026

Nice mattress! Comfy.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Great

Ariana W 1/24/2026

Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Great bed

Jeremy H 1/14/2026

Comfy and firm but soft
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Wonderful

Nancy B 1/5/2026

I love my new mattress
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Good Quality

Colleen C 12/12/2025

Good quality mattress!!
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Comfortable twin mattress

Alejandro R 12/12/2025

Fit into the trundle, ver comfortable.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

It's an awesome mattress

Stephen P 11/27/2025

Love it. Really comfortable bed
Originally posted on www.serta.com

Yes, I recommend this product

3 Stars

Great cheaper mattress

Stacy S 11/3/2025

Great mattress but unfortunately more firm than medium.
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Great Value

Walter P 10/31/2025

Comfortable and reasonable priced
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Great mattress, excellent value

Maureen C 10/7/2025

Honestly, it was pleasantly surprised with how comfortable this bed is. For years, I had IKEA mattresses which I am extremely fond of. Once relocating here to St. George, we happen upon discount mattress store. And it was wonderful.
Originally posted on www.serta.com

Yes, I recommend this product

4 Stars

Firm and Comfortable

Jason K 9/28/2025

The mattress is firm, comfortable and cozy. I'm now getting a much better night's sleep. Thank you.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Extra comfy.

Shawn C 9/27/2025

Extra comfy mattress. My child loves it.
Originally posted on www.serta.com

Yes, I recommend this product

4 Stars

Comfy!

Laurie B 9/25/2025

Soft surface, firm foundation. Sleeping very well.
Originally posted on www.serta.com

Yes, I recommend this product

3 Stars

I ordered medium

Ahmed C 9/19/2025

I ordered medium but it feel to soft. Feels cheap differently not worth $1800 Its ok for $200-$300 price range
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Serta classic

Benjamin P 9/18/2025

Comfortable and good cushioning
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Bob's mattress

Brenda J 9/18/2025

Feels good and has good back support.
Originally posted on www.serta.com

Yes, I recommend this product

4 Stars

So far so good

Jessica W 9/3/2025

My son so far loves his new mattress. It's a bit thicker than I remember in the store so it sits high on his frame, but he slept great so I don't care. ??
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

So comfortable!!

Shawna L 8/7/2025

Great mattress at a great price point. Put it on a platform bed and it's firm but has a nice bounce to it. Feels medium firm and the thickness is nice.
Originally posted on www.serta.com

Yes, I recommend this product

5 Stars

Love it

Millie R 8/2/2025

Comfy and comfortable
Originally posted on www.serta.com

Yes, I recommend this product

3 Stars

Humph

DG123 7/31/2025

I initially thought it felt great - but my back hurts and the mattress is hot.
Originally posted on www.serta.com

No, I do not recommend this product