The Oliver Smith pocket spring memory foam mattress is a premier luxury mattress it ranks up against the best mattress that department stores or carries we owe this to the comfort of 600 tempered steel independently-encased coils which creates an equal weight distribution to help relieve any pressure points along your neck shoulders back and hips another advantage to the independently-encased coil structure is it reduces motion disturbance and extends the life of the springs don't let the price fool you this is the best mattress in the market for its price.