Independently superbly pocketed 15-gauge pocket coils Quality foam and polyester layering between cover and coils for optimal comfort Euro Top for added softness. This has a COMFORT FIRM FEEL. This is ideal for people with back issues. 100% Green Foam Certified Foam Don’t let the price fool you. This is a higher quality mattress at less than 1/2 the price of the "big brand" mattress.