LIFTCOR® BODY BOOST

Designed for up to 75% more supportive alignment

Accelerate recovery with hyper-targeted support that instantly corrects your sleep posture. Highly resilient gel bands gently lift the heaviest part of your body to help your spine find its natural curve. This precision alignment maximizes time in rejuvenating deep sleep stages.

TRIPLE TIER COOLING

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REFLEX® PRO HYBRID MATTRESS

MEDIUM

Instantly soothing and always refreshing. Cool-touch fibers create a relaxing environment, helping you to unwind and prepare for sleep. 

Our maximum airflow foam offers 6x breathability for enhanced cooling comfort. Infused with Phase Change material, it creates a personalized microclimate by pulling away heat, keeping you cooler. Incredibly buoyant, it balances support and pressure-relief for a truly unique comfort experience.

Open-cell for high airflow, this support foam offers 4.5x breathability and lasting soothing coolness. Its responsive feel offers uplifting comfort while redistributing weight for a pressure-free feel.

Hyper-targeted support located precisely under your core instantly responds to your posture, preventing your back from sinking. Highly resilient gel bands gently lift and align to reduce pressure points and promote spinal precision. 

This 1200 density, American-made innerspring system enhances adaptive support. Individually wrapped coils provide responsive uplift and spinal alignment.

This lofty, 9" surrounding foam perimeter is extra tall for maximum support. This firm edge support reduces sinking when sitting on the side and makes every inch of your mattress feel uplifting.

The foundation of the MOLECULE mattress. This firm base support fosters healthy spine alignment. Breathable materials promote even more airflow and heat transfer.

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100 Night
Risk-Free Trial

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Free Shipping
& Returns

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CertiPUR-US®
Certified Foam

Made By Molecule

No third-party foam manufacturers. Foam is made in our USA-based, quality-controlled facilities.

Always CertiPUR-US® certified foam. No heavy metals, phthalates, ozone depleters or fiberglass.

Includes a limited 15-year warranty for high-quality performance and sleep.

Product Details

  • Twin
    75"L X 38"W X 12"H, 55.2LBS

    Twin XL
    80"L X 38"W X 12"H, 59.8LBS

    Full
    75"L X 54"W X 12"H, 78LBS

    Queen
    80"L X 60"W X 12"H, 94.4LBS

    King
    80"L X 76"W X 12"H, 119.1LBS

    Cal King
    84"L X 72"W X 12"H, 118.6LBS

  • Cover: Polyester blend with cooling polyethylene fibers

    Foam: Polyurethane

    MOLECULE Mattresses are fiberglass free

  • Do not remove cover. Spot clean only with mild detergent and cold water.

  • No third party foam manufacturers. Foam is made in the USA in our quality-controlled facilities.

    Always CertiPUR-US® foam. Contains no heavy metals, no phthalates, no ozone depleters and no fiberglass.

    Comes with a limited 15 year warranty for high-quality performance and sleep.

  • At this time we do not have Reflex mattresses in showrooms or retail stores, but they do come with a 100 night sleep trial. This means that you can try your mattress out for 100 nights. If you are unhappy for any reason, please contact us and we will assist with our return process.

  • MOLECULE Reflex® mattresses are compressed for effortless delivery and setup. It will arrive in a box on your doorstep. You do not need to be home to receive the delivery. Your mattress will expand instantly once opened, but please allow 48 hours to fully expand. You can use it as soon as it looks comfortable.

  • All Reflex mattresses are compatible with box springs, adjustable bases, and platform beds. To ensure proper support, platform beds must have at least 5 support legs and slats that are no less than 3 inches wide and no more than 4 inches apart. Please see full details here.

  • We recommend spot cleaning your mattress with a damp cloth or sponge. The use of bleach or other harsh agents can cause stains or damage that could void your warranty. Do not remove your mattress cover as it will void your warranty.

WHAT CUSTOMERS ARE SAYING

4.8
Rated 4.8 out of 5 stars
Based on 30 reviews
Total 5 star reviews: 25 Total 4 star reviews: 5 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
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30 reviews
  • M
    Murph777
    I recommend this product
    Sleep Challenges Hot Sleeper
    Rated 5 out of 5 stars
    1 week ago
    Great mattress for my son—nice and cool!

    My son's been using this mattress for a few weeks now. Honestly, I was pretty impressed by how they fit such a "solid" bed into such a compact box; it made getting it into his room and setting it up way easier than I thought it'd be. We put it on an adjustable frame, and it works well, though we did notice it slides around a bit on the base. Aside from that, it's been a great move. It took a little prodding to get an answer out of him, but he finally told me it's much cooler to sleep on than his old mattress, which was his biggest complaint before. He finds it comfortable, and as a parent, I'm happy with how well-made and supportive it feels. It's a solid upgrade for his room, and I'd definitely recommend it to others looking for something supportive that doesn't trap heat.

  • A
    Ady
    Verified Reviewer
    I recommend this product
    Sleep Challenges Back Pain, Neck Pain, Hot Sleeper
    Rated 5 out of 5 stars
    2 weeks ago
    Comfortable sleep

    I’ve been sleeping on the Molecule Reflex Pro Hybrid 12” Mattress for a couple weeks now, and honestly, it’s been one of the biggest upgrades to my daily routine. I didn’t realize how much my old mattress was affecting my sleep until I switched to this one. The first thing I noticed was how balanced the comfort feels. It has that soft, cushioned top layer that feels cozy when you first lie down, but underneath there’s still plenty of support. I never feel like I’m sinking too deep or fighting to get comfortable. It gives a really nice “supported but relaxed” feeling that works well whether I’m sleeping on my side, back, or even occasionally on my stomach. One thing that stood out almost immediately was how much better my body felt in the mornings. I used to wake up with stiffness in my lower back and shoulders pretty regularly, especially after long workdays, but that’s improved a lot since using this mattress. I also appreciate the hybrid design because it doesn’t trap heat the way some all-foam mattresses do. The airflow seems noticeably better, and I stay cooler throughout the night, which has made a bigger difference than I expected. It feels supportive without feeling overly firm or hard. The motion isolation is another huge plus. If someone moves around on the other side of the bed, it’s barely noticeable. Overall, the Molecule Reflex Pro Hybrid feels like a mattress that was actually designed with recovery and real sleep quality in mind. It’s comfortable, supportive,…

  • SD
    Sid D.
    Verified Reviewer
    I recommend this product
    Sleep Challenges Back Pain, Neck Pain, Hip Pain, Hot Sleeper, Hard Time Falling Asleep
    Rated 5 out of 5 stars
    2 weeks ago
    Excellent Support for Side Sleepers

    How good can a bed-in-a-box really be? That was my first thought when my wife told me we were replacing our 15-year-old traditional spring mattress. For several months, I had been dealing with persistent back and neck pain, and I had come to the conclusion that our old mattress was likely the culprit. Trusting my wife's judgment, I agreed to make the switch, and we ordered the Molecule Hybrid 12" Queen Mattress. It arrived just a few days after we placed the order. The mattress was neatly compressed and packaged in a compact box. Following the instructions, we placed it on our bed frame before removing the packaging. As soon as we cut the shrink wrap, the mattress began expanding immediately. It looked great right out of the box and took about 14 hours to fully expand to its advertised 12-inch height. Our first night on the mattress was impressive. My wife mentioned that she barely felt me tossing and turning throughout the night. Even better, I woke up noticing that my neck and back pain had already started to improve. After sleeping on the mattress for several weeks, I can honestly say that it has made a significant difference. As a side sleeper, I've found it provides excellent support and pressure relief, which has helped reduce my back and neck discomfort. Overall, I am pleasantly surprised and satisfied with this mattress. My only hope is that it maintains its comfort and support for many years to come.

  • C
    Cbunn
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Comfortable mattress

    This is my first mattress in a box and I have to say that I’m pleasantly surprised. After a few days of letting it decompress and air out, it is very comfortable and supportive. The setup is quick and easy, though I will warn that the mattress is heavy! It may require two people to safety move the box to your room. The mattress firms up slightly for a few days after it’s been unpacked and set up. That was a relief to me, since I thought it’d be too soft for me initially. I’m happy with the mattress overall and would recommend it to others.

  • O
    OC
    Verified Reviewer
    I recommend this product
    Sleep Challenges Back Pain, Hot Sleeper
    Rated 5 out of 5 stars
    3 weeks ago
    Impressive

    I’m impressed with this Molecule mattress. Feels very comfortable that I slept throughout the night without waking up until the morning. It’s the right amount of firmness that support my sides and hip while I sleep. The polling feature is certainly noticeable and helps me to stay asleep. I didn’t feel my partner move on her side of the bed. No sinking at the edge when getting off the bed.