Experience the best of Beautyrest®, featuring advanced temperature management technology, premium foams, and advanced, Triple-Stranded Pocketed Coil® Technology for conforming support and motion separation. With the inclusion of premier materials and advanced sleep technology, the Beautyrest Black® Collection optimally aligns at the intersection of luxury and innovation for an extraordinarily comfortable sleep.For the person who likes cushy comfort that responds to your movement with a soft-yet-supportive feel.Triple-Stranded Pocketed Coil® Technology offers our most advanced level of individualized support and motion separation, so you can rest undisturbed.Specialized vertical fibers combine with an applied surface-cooling technology in an advanced feature designed to help transfer heat away from the body all night.Soft GelTouch® Foam helps provide comfort, support, airflow and breathability.Contouring foam adheres to the shape of your body for night after night of exceptional pressure relief.Open-celled foam helps channel airflow through the mattress for a cool, comfortable sleep.Mattress Top Type: Tight TopMattress Type: InnerspringIncluded: 1 Mattress(es)Features: Full Support, Cooling Layer, Cushioning Layer, Wrapped Coils, Foam Layer, Temperature RegulatingAdditional Information: Relieves Pressure Points, Conforms To Body, Eliminates Motion Transfer, Suitable for Adjustable Bed FramesCoil Count: 696 CoilsManufacturer Warranty: 10 Year LimitedBed Size: Twin XlMeasurements: 38 Width/Inches, 79.5 Length/Inches, 14 Height/InchesMaximum Weight Limit: 850 LbsBase Material: 70% Polyurethane, 30% MetalComfort Type: PlushCare: Spot CleanCertifications And Listings: Certipur-Us CertifiedMattress Height: 14"Country of Origin: Made in US Includes mattress only. Mattress plus box spring option also available. Beautyrest Black® Series One 14" Plush Tight Top - Mattress Only