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The Serta Perfect Sleeper Select Kleinmon II Firm Size Mattress is one of the best overall options in the Perfect Sleeper collection, so long as you prefer a very firm comfort level. This mattress belongs to the second generation of Kleinmon models and includes many of the same features found in last year’s line, but at a more affordable price.
If you’re after a very firm comfort level that’s almost hard, the Kleinmon II Firm is a great option. With a score of 1.5 out of 10 on our Comfort Scale, with 10 being the softest, this kind of comfort feels similar to a carpeted floor.

Experience the world’s premier support system with Beautyrest BR800 12” plush euro top mattress. It all started with our introduction of the world's Premier Sleep System: Beautyrest® Pocketed Coil® springs which move individually to support the natural shape of your body, and diffuse movement for a peaceful, undisturbed rest. Featuring 800 Series Beautyrest® Pocketed Coil® Technology that provides flexible support precisely where it is needed and isolates motion between two sleepers.
The DualCool™ Technology found in the BR800, is an antimicrobial performance layer that works to keep your mattress fresh and cool while moving heat and moisture away. Additionally, a layer of soft Gel Memory Foam Lumbar Support provides you with the right amount of plush support where you need it most for a restful sleep.