Introducing Cocostone, the firmest mattress in our collection of firm mattresses. Designed to provide the fullest support with very little flex, Cocostone is perfect for those who prefer a more rigid sleeping surface. With its durable construction, this mattress offers long-lasting comfort and support. Say goodbye to restless nights and wake up feeling rejuvenated with the unparalleled firmness of Cocostone. Experience the ultimate in support and stability with this exceptional mattress.