The S7 Series has a total of 12 inches of comfort. It has 3'' of ventilated React+ support. S7 has 7” of ventilated React® material core. S7 has aqua blue piping around the mattress. It has the firmest feel of the collection.

Our plushest hybrid mattress is certified EXTRA. The Simmons 12" Plush Hybrid mattress comes packed with ultra-comfy gel memory foam and a soft comfy foam cover with Climate Cool™ moisture wicking tech. Plus, even bigger individually wrapped coils work through the night to enable airflow, support your body, and isolate movement. Now you can have your fun and sleep on it too! Oh, and you don’t even have to step foot in a store to sleep this luxuriously, this hybrid bed in a box ships right to your door! On top of that, you can sleep soundly knowing your Simmons 12" Plush Hybrid Mattress-In-A-Box is CertiPUR-US certified, which means it meets the standards for content, emissions, and durability. It's made without any of the bad stuff like mercury, lead, formaldehyde, CFCs, and ozone depleters – and are certified low VOC emissions for indoor air quality. Oh and P.S. We’ve been making mattresses for 150 years, so you can trust us! #WINNING