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Simmons

Beautyrest Harmony Carbon Lux Firm Mattress

11 reviews Size Guide
Mattress Size Guide
Twin     

  38” x 75”

  96.5cm x 190.5cm

Twin XL     

  38” x 80”

  96.5cm x 203cm

Full (Double)     

  53” x 75”

  134.5 x 190.5cm

Queen     

  60” x 80”

  152.5 x 203cm

King     

  76” x 80”

  193 x 203cm

California King     

  72” x 84”

  183 x 213cm

Mattress Size Guide
Twin     

  38” x 75”

  96.5cm x 190.5cm

Twin XL     

  38” x 80”

  96.5cm x 203cm

Full (Double)     

  53” x 75”

  134.5 x 190.5cm

Queen     

  60” x 80”

  152.5 x 203cm

King     

  76” x 80”

  193 x 203cm

California King     

  72” x 84”

  183 x 213cm

Size

Beautyrest® Harmony Lux™ Carbon Series features our latest innovations in support, comfort, and cooling; that work together in harmony for a better night’s sleep. Its new and innovative coil design and support system, advanced pressure relieving foams, uniquely engineered cooling technologies and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding.

  • Featuring our RightTemp™ Wave Foam, our Harmony Lux™ Carbon Series sleeps cool and comfortable all night. 
  • Our Precision Support System™ powered by T2 Pocketed Coil™ Technology provides additional support where you need it most.
  • Sustainable and cool sleeping InfiniCool™ Lux provides a cool sleep environment and Seaqual™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric.
  • Pressure relieving comfort Beautyrest® Gel Memory Foam and RightTemp™ Wave Foam work together to create incredible pressure relief.
  • Adjustable Compatible
  • 10 Year Warranty
Customer Reviews
5.0 Based on 11 Reviews
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Filter Reviews:
    S
    05/23/2021
    Steven
    Harmony Lux Carbon - Extra Firm - Classic Top

    This mattress is definitely extra firm. I chose it to help with my back pain from sleeping on a softer mattress that started to sag in the middle. After a few nights of adjusting to the mattress feel, I am sleeping better and waking without back pain.

    C
    05/07/2021
    Citymomma01
    Really comfortable

    I have had this mattress for a few weeks now and I’m really impressed with how comfortable it is. I guess I didn’t realize how bad my previous mattress was until sleeping on this one for a few nights. It’s really supportive in all the right places and I wake up feeling refreshed and rejuvenated. I’ve also noticed my hips and back have felt a lot better since making the switch. I can’t speak to long term wear and comfort, but so far I’m impressed.

    L
    05/02/2021
    LindaC
    Best Mattress Ever!

    I was in an accident a few years ago and ever since I've had trouble sleeping. I just could not seem to get really comfortable at night. My husband and I purchased this mattress and it was one of the best investments I've ever made. I love that this mattress is extra firm and provides lots of support. I am sleeping better at night and waking up less often! Definitely worth the price! I would recommend this mattress to everyone!

    P
    11/20/2020
    Pilar
    Beautyrest Comes through Again

    Have been a Beautyrest constomer for over 30 years with the Back Series and I just purchased the Harmony Lux Carbon Extra Firm- as I couldn’t afford the Black Series this time around. One word - WOW! With chronic back issues, this is one of the best beds I ever slept on. Keep up the great work Simmons!

    L
    06/05/2020
    lexxisue
    Comfortable!

    This is a great great great mattress if you prefer your bed on the firm side. It has a great support system for your back, your side or stomach so however you sleep you will be comfortable! There is a cooling technology added into the quilt so you don't overheat at night.

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