- 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 from Serta represents a solid improvement over the generation 1 model and features a good mixture of premium comfort material and a solid coil system for one of the best values in the collection. This mattress is made for those who really enjoy a very firm, nearly hard level of comfort.
With a comfort scale rating of 1.5, the Trelleburg II Extra Firm isn't for everyone. It feels incredibly firm, which means if you're looking for one of the firmest mattresses being made today, this is the way to go.High End Coil System
The 1000 Edition Custom Support Individually Wrapped Coil system does a great job conforming to the curves of your body while ensuring proper spinal allignment, with less motion transfer. This coil system is a nice upgrade from the gen 1 model of the last line.Cool Balance Fabric
Cool Balance Fabric helps provide a more thermal neutral sleep environment. Made from the same style of athletic material as found in performance atheletic wear, this material is both functional and comfortable.Sleep Better, Feel Less Movement.
Found in premium models, Cool Twist Gel Memory Foam promotes deep, rejuvinating sleep through superior pressure relief.Great Value, Extra Firm Comfort.
While extra firm comforts may not be for everyone, for those who enjoy them, the Trelleburg II Extra Firm is a great way to go. This mattress is a good value, and has enough premium features to provide years of comfort and support.
|Cal King||11.5"||72"||84"||109 lbs.|
|Twin XL||11.5"||38"||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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