With an extra firm feel, the Beautyrest Harmony Oak Harbor mattress bestows targeted support and pressure relief to help you sleep. For superior support where you need it most, T1 Pocketed Coil Technology harnesses a dual-stage coil design. Seaqual, exclusive to Beautyrest Harmony, recycles plastic recovered from the world's oceans to create high quality fabric. To keep you cool and dry throughout the night, NaturalCool material uses eco-friendly yarn with exceptional breathability. Two…