- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
The Trelleburg II Extra Firm King Size Mattress from Serta features noteworthy improvements from the generation 1 model, and it has an impressive mixture of premium comfort materials and a solid coil system that make it one of the best values in the collection. This mattress is made for people who really want a very firm, nearly hard comfort level.
Scoring a rating of 1.5 on our Comfort Scale, the Trelleburg II Extra Firm certainly isn't for everyone. This mattress feels exceptionally firm, which makes it a great choice if you would like one of the firmest mattresses being made today.Dependable Coil System
The 1000 Edition Custom Support Individually Wrapped Coil system does an impressive job conforming to the curves of the body while ensuring that there is minimal transfer of motion plus proper spinal alignment. This feature helps make it a big improvement from the gen 1 model in the previous line.Cool Balance Fabric Will Keep You Cool
Cool Balance Fabric is used in this mattress to give you a more thermal neutral sleeping space. Designed using the same kind of athletic material that's used to make performance athletic wear, this fabric is comfortable and also really practical.Feel Less Movement, Sleep Comfortably All Night
Frequently featured in premium models, Cool Twist Gel Memory Foam promotes deep, rejuvenating sleep as a result of quality pressure relief.Extra Firm Comfort Mattress for a Great Value
While extra firm mattresses may not be the right choice for everyone, for those who like very firm comfort the Trelleburg II Extra Firm makes a smart choice. This product offers a great value, and it has enough premium features to provide you with years of lasting comfort and support.
|Cal King||11.5"||72"||84"||109 lbs.|
|Twin XL||11.5"||39"||80"||55 lbs.|
Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!
We test and measure body pressure on each mattress using sophisticated technology. We then provide you a personal recommendation.Learn More »
Stay tuned for another helpful analysis of how this bed feels. We provide all kinds of media to help you pick the best mattress.
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