- 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 Twin XL Size Mattress from Serta is a solid improvement over the generation 1 model, and it has 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 people who really enjoy a very firm, nearly hard level of comfort.
With a Comfort Scale score of 1.5, the Trelleburg II Extra Firm isn't for everyone. It feels incredibly firm, which means if you're searching for one of the firmest mattresses being made today, this is the way to go.High Grade Coil System
The 1000 Edition Custom Support Individually Wrapped Coil system does a wonderful job conforming to the curves of the body while ensuring that there is reduced motion transfer and proper spinal alignment. This makes it a nice upgrade from the gen 1 model from the last line.Cool Balance Fabric Offers Cool Comfort
Cool Balance Fabric is included to give you a more thermal neutral sleep environment. Made from the same style of athletic material as found in performance athletic wear, this material is comfortable and also highly functional.Sleep More Soundly, Feel Less Movement
Often a staple in premium models, Cool Twist Gel Memory Foam promotes deep, rejuvenating sleep through superior pressure relief.Extra Firm Comfort and a Great Value
While extra firm mattresses may not be for everyone, for those who enjoy them the Trelleburg II Extra Firm is a great choice. This mattress is a great value, and it has enough premium features to provide years of 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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