The Stearns & Foster Lux Hybrid Collection is a new era of comfortable, cool sleep, featuring our exclusive IntelliFlex Hybrid System which combines memory foam and innersprings, for all-night support and comfort that flexes to support every curve, plus the added benefit of breathable air channels for all-night cooling. The all-new Lux Hybrid mattress combines the support of innersprings with the pressure-relieving comfort of memory foam for unmatched supportive comfort. Lush navy velvet enhances the top edge of the Lux Hybrid ensuring the timeless mattress design stands the test of time. Contrasting silver air vents and elegant embroidery complete the sophisticated look. Size: california king. Color: Gray.