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What to Look For in a Hybrid Mattress Double A hybrid mattress double gives you a slumbering night's sleep and the cushioning comfort of foam and springs. It offers optimal support and comfort that contours to a healthy spinal curvature. A hybrid mattress is typically composed of a layer of memory foam or latex on top of steel coils. This decreases pressure and molds to your body, unlike an innerspring mattresses, which tends to sag. Comfort Hybrid mattresses offer the best of both worlds: t