The Nolah mattress is 10 inches and comprised of 3 layers of hi resilience polyurethane foam. The first layer is 2 inches of Nolah Air Foam. The second layer is 1 inch of Avena foam. The third is about 7 inches of high-density polyurethane foam and serves as the foundation foam.
Yes, the mattress comes with a 120 Night Sleep Trial and a 15 year limited warranty.
It has a softer feel than you usually see from memory foam mattresses. Nolah provides 4 times less pressure to the shoulders, back area, and hips and testers rated it superior to other medium, plush type models.