Diamond Response Copper Cool Hybrid 12" Medium Mattress Size:Twin XL This innovative bed base offers

This innovative bed base offers seamless head and foot position adjustments

uses thermoregulation to absorb your body heat and keep you cool all night long

Experience the Helix Dusk Difference:

Mattress can be embedded in frame to prevent slipping Storage 13 inches of under-bed clearance

Diamond Response Copper Cool Hybrid 12" Medium Mattress Size:Twin XL This innovative bed base offersCool Touch Temperature Regulating FabricCool Copper Memory FoamCertipur HD Comfort LayersDynamic Edge Coil System20 Year Warranty. The Response Cool features a specially woven cooling fabric cover that waterfalls down the sides of the mattress. This hybrid mattress is 12" thick with an 8" dynamic edge coil base system and 4 layers of high density support foam including copper cooling memory foam. All foam layers are CertiPUR US certified Top layer of