Classic Dorian 12.5" Firm Mattress - Twin XL

4.6 (326)
Limited-Time Special
$399.00 (77% off)$1,699.00
Color:No Color
Size:Twin XL

Type: Mattress Only

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Product details

Web ID: 23069706
Classic® Dorian Firm — A firm-feel supportive 12.5" mattress with breathable materials, three zones for lower back support, and durable coils for a comfortable sleep.

  • Product Features

    • Innerspring
    • Firm support
    • Tight top
    • Coil count: 360
    • Compatible with an adjustable bed
    • Box spring/foundation sold separately
    • Soft, breathable cover helps you rest and wake refreshed
    • 3 Zoned Body Support offers separate zones to provide lower back support for classic comfort
    • Breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort
    • 800-coil density system provides contouring, cradling support and minimizes motion transfer
    • Meets federal fire-safety standards
    • Manufacturer's 10-year limited warranty
    • Made in the USA
    • Request warranty information

  • Shipping & Returns

Ratings & Reviews

Here's what customers think
  • This mattress is widely praised for its excellent support and comfort, with many reviewers reporting it has helped alleviate back and neck pain.
  • It is described as highly durable, with a breathable design that keeps sleepers cool.
  • While some found the firmness level an initial adjustment, the majority are very satisfied with the overall quality and value.
  • It seems to be an excellent choice for those seeking a supportive, high-quality firm mattress.
AI-generated summary from 326 customers reviews.
4.6/5

326 star ratings & reviews

Write a Review
79.8% of reviews have 5 stars
260
12.3% of reviews have 4 stars
40
4.0% of reviews have 3 stars
13
0.9% of reviews have 2 stars
3
3.1% of reviews have 1 star
10

70 customer images

326 reviews
Serta Classic Dorian 12.5" Firm Mattress - Twin This review is from Serta Classic Dorian 12.5" Firm Mattress - Twin
Keith S
4 days ago

Just got it

Value with firmness

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - King This review is from Serta Classic Dorian 12.5" Firm Mattress - King
Sherry P
4 days ago

Time to sleep

Not sure how to rate product at this time haven’t slept on it yet but all the products I’ve had in the past has been great

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - Twin This review is from Serta Classic Dorian 12.5" Firm Mattress - Twin
Joseph A
8 days ago

Firm means firm

It’s only been a week so, but it’s a far cry from other standard type mattress. Tried a hybrid and that was a no go. I’m pleased for my needs that this will be long standing a healer.

Customer review from Serta

John J
12 days ago

Perfect!

This would be a great mattress for Goldilocks. It’s not too firm, not too soft… It’s just right. Love it.

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - California King This review is from Serta Classic Dorian 12.5" Firm Mattress - California King
Nazic M
13 days ago

Harbor Creek Firm Mattress

We just purchased this mattress (1/2026). It’s lightweight but firm and comfortable. I’m giving it three out of five stars because we just purchased it.

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - Queen This review is from Serta Classic Dorian 12.5" Firm Mattress - Queen
Christina S
16 days ago

Feels great

Nice height and feels firm but cozy.

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - Full This review is from Serta Classic Dorian 12.5" Firm Mattress - Full
Valeria D
16 days ago

New mattress

Mattress is very comfortable, my back and arm pain went away.

Customer review from Serta

Serta Classic Dorian 12.5" Firm Mattress - Twin This review is from Serta Classic Dorian 12.5" Firm Mattress - Twin
Gerald C
19 days ago

Best Sleep Ever

My Dorian is so supportive! He caresses me is all the right places. It's difficult to leave him in the morning. All day I think about when I will return. My dreams are more vivid with my new Dorian Serta Classic!

Customer review from Serta