The Member’s Mark Hotel Premier Collection 12-inch Mattress offers cooler, deeper sleep and unparalleled comfort. Superior cooling gel memory foam maintains your optimal sleep temperature and relieves pressure for all-night comfort. Unique air channel foam increases airflow for freshness and breathability. As part of our Member’s Mark collection, it delivers exceptional quality, superior comfort, and long-lasting durability, with pricing exclusively for our members. The result is a hotel-style sleep experience that helps you fall asleep faster and deeply sleep for longer. This mattress is available in twin, full, queen, king, and California king.