High-quality memory foam . made from high-grade adaptive materials . conforms to your body with medium firmness. The unique combination of pressure point relief and support makes it better for relieving pain and preventing pain. A top layer of ultra cooling-gel infused memory foam means that your body temperature stays perfectly regulated and that your thermostat will likely thank you. Our memory foam uses a porous . open-cell design that allows for a greater circulation. The mattress meets CertiPUR-US program standards for performance . emissions . and durability. Mattress ships compressed . rolled . and shipped in a box conveniently delivered to your door for easy set-up; frame/foundation/base not included. Great for all sleep types and all sleepers such as back . stomach . and side sleepers. This mattress is professionally compressed and rolled into a compact box and delivered to your doorstep. Simply unbox . unroll . and watch as your mattress expands to its original shape in less than 2 hours.