The Lucid SureCool™ 12” Gel Memory Foam Mattress was made for anyone who loves ample support with a soft feel. Layers of responsive foam and premium memory foam combine to offer optimal support and contouring comfort. The cooling gel-infused memory foam helps regulate body temperature to create an even more comfortable sleep environment. Ventilation channels placed throughout the memory foam help to increase airflow and improve breathability. Choose between a Medium-plush or medium-firm feel to accommodate your unique sleeping preferences. This medium firm bed in a box is shipped right to your door; simply place it on your bed, give it 24 to 48 hours to fully expand, and then relax in the luxurious comfort of this memory foam mattress. Dimensions: Other sections: