The Mlily 12 Inch Wellflex 2.0 Medium Mattress, Queen is the medium feel alternative to the Wellflex 1.0. It is designed to ensure a cool, supportive sleep experience. The Mlily 12 Inch Wellflex 2.0 Medium offers uncompromised breathability and superior comfort thanks to four layers of gel and performance memory foam. A cooling knit fabric cover offers excellent breathability and temperature-regulating properties that move heat away from the body.. Thanks to its elasticity and low-depth profile, the Mlily 12 Inch Wellflex 2.0 Medium is ideal for adjustable bases, so you can customize your sleep position and find the right height for your head and feet according to your preferences. Its medium profile is suitable for most sleep positions, and it is the perfect choice for those who prefer a firm mattress but want a luxurious and comfortable sleep. • Mattress Comfort Level: Medium • Sleeper Orientation: Back, Side, and Stomach Product Details: • The Cooling Knit Fabric Cover not only breathes but offers air flow that creates a cooling sensation, keeping you comfortably cool while you sleep. • The Gel AeroFusion™ Memory Foam layer keeps all of the positive properties of memory foam, like contouring and conforming to your body, while mitigating temperature issues with the gel infusion. • An AdaptiFoam™ is engineered with open cells for breathability with all the rebound and support of latex while remaining allergy-free. • The Flex Support Base Foam layer is flexible and supportive, allowing the more specialized forms above it to truly shine. • The Queen size dimension is the ideal size for two to sleep comfortably.