springwall encore atmosphere pillowtop medium king mattressBreathe easy and relax into balanced comfort on the Springwall Encore Atmosphere mattress. Zoned foam encased pocket coils help reduce motion and deliver targeted support all night long. Slow recovery gel memory foam and firm comfort foam contour to your body to ease pressure and encourage airflow. A cooling gel layer helps maintain a comfortable sleep temperature. The medium Encore comfort foam adds a responsive feel, while the supportive edge gives