The Comfort Support Hybrid Quilted Mattress is designed for ultimate comfort and support. Your mattress will arrive with one of two different covers, rest assured they both provide the same comfy feel. This mattress is topped with soft yet durable foam that conforms to your body shape for pressure relief, while wrapped coils respond independently to your movements for customized comfort and motion isolation. Ensuring the highest quality, this hybrid mattress is made with CertiPUR-US® certified foam—meaning you can rest easy knowing there are no harmful chemicals where you rest. And if this mattress isn’t everything you dreamed of, we include a limited 10-year warranty to put any other worries to rest.ar warranty to put any other worries to rest.