Molecule 2 vs Serta iComfortECO Smooth Hybrid

On a scale of 10, our mattress has a 6.5 firmness level. We like to refer to it as a "medium firm" - soft at the top, firmer in the middle.

The base model (CF1000 Hybrid) is a medium comfort. Choose the cooling upgrade (CF2000 Hybrid) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000 Hybrid) and Max Cooling & Pressure Relief Upgrades (CF4000 Hybrid) offer a selection of feels - medium and plush and firm and plush.

Each component of the MOLECULE mattress has been engineered to work synergistically to maximize support, comfort and heat dissipation for the best recovery-focused sleep. Featuring a 4 layer construction:

• 1" BioCharge™ layer
• 2" AirTEC™ layer
• 3" RecoveryFLO™ layer (Density: 1.65lbs, ILD: 40)
• 6" ContourFLO™ layer (Density: 1.5lbs, ILD: 35).

The Serta iComfortECO Smooth Hybrid is a hybrid mattress best suited for side sleepers. The materials used are up to 70% sustainable.

It has a layer of 5-Zone Quad Coil for support and targeted pressure relief. And two layer of memory foam that's breathable and provides reduced motion transfer for uninterrupted sleep.

You can select your level of firmness between :

• Firm
• Medium
• Plush

Better sleep leads to peak performance. It's not just the quantity of your sleep, it's the quality. Your body restores itself most during Slow Wave Sleep - replenishing blood and oxygen and releasing essential hormones. Sleep scientists and athletes engineered Molecule's unique sleep system so you benefit from the most revitalizing stage of rest, optimizing your body's recovery and performance.

Specifically designed mattress to keep even the warmest of sleepers cool. You don't have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Three cooling upgrades available:

• Cooling Upgrade (CF2000 Hybrid): 12.5" More airflow and a cooler sleep combined with firm support.
• Max Cooling Upgrade (CF3000 Hybrid): 13" Cooler and more breathable.
• Max Cooling & Pressure Relief Upgrade (CF4000 Hybrid): 14" Feels and sleeps cooler, with air support layer to take pressure off joints.

The firm base support fosters healthy spine alignment.

A highly breathable and supportive mattress with a classic, responsive feel.

The most restorative rest happens when your body temperature is cooler. Only Molecule offers this revolutionary airy, extreme open-cell structure for consistent cooling even when compressed by your body weight. Cozy support with more than seven-times the airflow of traditional memory foam. Active people need more support and airflow than traditional egg-crate foam mattresses can deliver.

Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body.
Gel Active® Max Foam (used only in CF2000 Hybrid model) is an open celled memory foam helps promote airflow, so you don't have that hot, stuffy feeling when falling asleep.
UltraCold System™ (used in the CF3000 Hybrid and CF4000 Hybrid models) The layer of extra-cool Carbon Fiber Memory Foam is engineered to work hard at absorbing excess heat from your body, then channel it away, all while you sleep comfortably.

Ergonomically-engineered Molecule features a meticulously-engineered matrix of hexagon-shaped channels that respond to your unique anatomy and promote airflow even at the deepest depression points. You awake refreshed with relief from sore muscles and joints. Larger hexagon zones in the center designed for additional support and pressure relief in the lumbar region. Varying hexagon zone density around the legs and feet to support the lower body.

Carbon Fiber Memory Foam provides exceptional strength for back and neck support.
1025 iComfort® Hybrid Support™ System with BestEdge® Foam Encasement. In this advanced innerspring system, individually wrapped coils work independently to conform to every curve of your body and provide durable support. The foam encasement system is designed with an extra-deep foam rail to help reduce edge roll-off and extend the sleep surface.
Air Support™ Foam (used only in CF4000 Hybrid model) moves with your body and contours around it to help alleviate aches and pains caused by pressure points.

Cover is 98% Polyester, 2% Lycra. It wicks away heat and moisture to keep skin comfortably cool. As your body temperature changes throughout the night, Molecule's advanced cover material responds dynamically, adjusting evaporation and cooling. Microban® antimicrobial treatment keeps your mattress fresh and clean.

A Max Cold™ Cover is used in the CF3000 and CF4000 models. Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.

Our deliveries are exclusively handled by FedEx, and you should expect your mattress within one week from when you place your order.

Serta mattresses are shipped using the fastest, safest, and most reliable method possible. After ordering, you will be contacted by XPO Logistics to schedule a delivery day and time.