MEDIUM FIRM
A responsive hybrid construction pairs adaptive coils with hyper-targeted LiftCOR® back support to maintain healthy spinal alignment. Triple-tiered cooling from cool-touch fibers, Air-Engineered™ foams, and deep ventilation helps maintain a refreshing sleep temperature, and the Lift360™ edge perimeter provides sturdy, consistent support across the full sleep surface.
MOLECULE Reflex® mattresses are compressed for effortless delivery and setup. They expand instantly once opened, but please allow 48 hours to fully expand. You can use it as soon as it looks comfortable.
Need to get rid of your old mattress? Just add the mattress haul-away option to your order at checkout (additional fee applies), and we’ll remove your old mattress during delivery.
MOLECULE mattresses are engineered with premium foam that’s made in the USA and CertiPUR-US® certified for low emissions, material integrity, and long-lasting performance. MOLECULE mattresses do not contain fiberglass. This mattress is backed by a 15-year limited warranty—so you can rest easy from day one.
*Excluded from promotions
LIFTCOR® BODY BOOST
Designed for up to 75% more supportive alignment
Accelerate recovery with targeted support that instantly improves your sleep posture. Responsive zoned back support reinforces the heaviest part of your body to help your spine find its natural curve. This gentle alignment encourages more time in rejuvenating deep sleep stages.
Deeply cooling fibers instantly relax your body in preparation for initial sleep stages.
Proprietary open-cell foam with up to 4.5x airflow offers enhanced breathability.
Deep air channels allow heat to escape to maintain a comfortable sleep temperature.
360° EDGE SUPPORT
Lift360™ SURROUNDS YOU WITH STURDY COMFORT
An extra-firm foam perimeter reinforces the edge-to-edge structure, ensuring every inch of your mattress provides recovery-focused sleep.
REFLEX® HYBRID MATTRESS
Instantly soothing and always refreshing. Cool-touch fibers create a relaxing environment, helping you to unwind and prepare for sleep.
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.
Targeted support located under your core instantly responds to your posture, preventing your back from sinking. Designed to 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 fully surrounding foam perimeter is extra firm for superior support. This reinforced 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.
100 Night
Risk-Free Trial
Free Shipping
& Returns
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.
Twin
75"L X 38"W X 11"H, 47.1LBS
Twin XL
80"L X 38"W X 11"H, 51.2LBS
Full
75"L X 54"W X 11"H, 66.5LBS
Queen
80"L X 60"W X 11"H, 80.6LBS
King
80"L X 76"W X 11"H, 101.5LBS
Cal King
84"L X 72"W X 11"H, 101.2LBS
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.
I have been sleeping on the MOLECULE Hybrid mattress for several nights now, and I can honestly say it has exceeded my expectations. When the mattress first arrived, I was amazed that such a large mattress could fit inside such a compact box. The unboxing process was simple.
The first thing I noticed was the quality of the materials. The mattress has a premium feel, from the soft fabric and detailed stitching to the cool-touch surface. It feels luxurious without being overly soft. The hybrid design provides an excellent balance of comfort and support, allowing me to relax while still feeling properly supported throughout the night.
My husband works long hours driving a bus, so getting quality sleep is very important for both of us. From the first night, we noticed a difference. I woke up feeling refreshed, comfortable, and free from the usual aches and stiffness that sometimes come with poor sleep. Even our dog immediately claimed a spot on the mattress and seemed to love it as much as we do!
Overall, I am extremely impressed with the MOLECULE Reflex Hybrid mattress. It combines comfort, support, cooling features, and quality craftsmanship into one amazing product. I would absolutely recommend it to anyone looking to improve their sleep and enjoy a more comfortable night's rest.
I am a stomach sleeper usually (sometimes side sleeper) and I have had the best sleep ever on this mattress!
I would describe it as medium-firm which appears to suit all sleep positions!
The comfort may be attributed to their use of LiftCOR® Body Boost- which they say delivers 75% more supportive alignment by the use of targeted gel bands.
I sleep hot so I really appreciate that they say you get up to 6x the breathability of standard memory foam. It definitely seems cooler.
Lastly the mattress has a firm perimeter which maximizes sleep surface and reduces sinking. It appears you only need to rotate the mattress, never flip it.
Very satisfied and highly recommended
I’ve been sleeping on the MOLECULE® REFLEX® HYBRID mattress for the past few weeks, and I’ve honestly been really impressed with the overall comfort and support. The hybrid design gives a great balance between softness and firmness, so it feels supportive without being too stiff. I especially noticed how much cooler the mattress sleeps compared to my previous one, which has made a huge difference for me at night. The motion isolation is also excellent — movement on one side of the bed barely transfers to the other side, which helps me sleep more soundly. I also love the clean, modern look and how high-quality the materials feel. Overall, the mattress has become a really comfortable part of my daily routine, and I look forward to getting into bed every night. My sweet pup loves it too 😊
Our old mattress was sagging and lumpy and not supportive at all. I woke up feeling stiff and sore and not at all rested every day. We were using an old spring mattress that was way past its prime. This is our first mattress that came in a box so I was a little nervous to see how it would be. The Molecule mattress was easy to set up, my wife and I just placed it on our existing box spring and carefully cut the protective plastic and away it went. Within a couple minutes it was expanded and grew into a thick queen sized mattress. There's no strong chemical smell either which I was happy about. Upon first examination of the mattress it has a soft, smooth cool feeling cover over it. We both laid on the mattress and the cooling feeling felt great. The mattress itself forms around your body and supports you when you're laying on it. I can feel it supporting and taking pressure off my sore back and neck almost immediately. We gave it a few hours to fully expand and then put our sheets and blankets back on the bed and had our first full night's sleep on it. My wife and I were pleasantly surprised by how well we both slept on this mattress. We both sleep through the night and woke up feeling rested and relaxed. Neither of us felt stiff or sore and were amazed at how much this Molecule mattress changed our sleep for the better. We've been sleeping every night on this mattress for over a month now and we feel so much better and well rested. We no longer have that feeling of waking up…
This mattress is a lot firmer and thicker than I thought it was going to be when it was delivered. Upon delivery it was vacuumed sealed. It took 48 hours to fully get its shape. The mattress is temperature regulated which helps my son sleep even better as he is always hot. It also has personalized pressure relief if sleeping with a partner. This is a queen size and my son who is 220 pounds and 5 ft. 9 in. Fits great on it with lots of room to spread out. His feet don't dangle off the end. I highly recommend this brand.
