12" QUEEN HYBRID MATTRESS: Provides the perfect balance of luxurious comfort and optimal targeted support for every point of contact with a medium feel to help you get the blissful night of sleep you deserve LAYERS OF COMFORT: Legendary TEMPUR material paired with over 1,000 premium spring coils offers all the reinforcement of a traditional innerspring mattress with the conforming comfort of multiple plush foam layers PRESSURE-RELIEVING FOAM: NASA-engineered TEMPUR material adapts to your unique shape for ultimate relaxation and retains its shape for years, offering superior support at night and alignment after a year COOLING PROTECTIVE COVER: Mattress is protected by a next-generation technology SmartClimate Dual Cover System that provides cool-to-the-touch comfort, and the cover can be removed and machine washed as needed QUEEN SIZE: Measures 80" L x 60" W x 12.2" H and is backed by a 10-year limited and millions of satisfied owners