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.

The Simmons 10" Medium Memory Foam Mattress is anything but average and more like perfect - not too soft and not too firm. with a supportive base layer and a comfy cover featuring Climate Cool™ moisture wicking tech. Want more foam? Us too! Our premium gel memory foam and a motion isolation layer to help you sleep through the night – but only if you've got nothing better to do! The coolest part is that the Simmons 10"" Medium Memory Foam Mattress-In-A-Box ships wherever you want it to! Setup is a breeze, you just open the box, take it out, and unroll. By the way, your new mattress is CertiPUR-US certified. That means it meets the standards for content, emissions, and durability. And they’re 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!