12 INCH: Queen mattresses provide extra thickness and support with added layers of foam and pocketed coils. Ideal for heavier people or those who prefer a luxurious feel. PRESSURE RELIEVING: For added comfort and plushiness, it comes with independently packed 15-gauge pocket spring coils Cool Memory Foam to offer Comfort Plush Feel, ideal for people with back issues. HYBRID: Queen size mattresses with the combination of foam and coils can also help regulate temperature and offer motion isolation, reducing the impact of partner movement during sleep.