Experience support for more than just your body with the Harmony Lux Collection. Innovative materials work harmoniously to bring you restorative sleep with improved support, advanced motion isolation, and a lush cover. The Precision Support System offers 40% more support coils compared to Harmony models for even more head-to-toe support across the entire mattress, so you and your partner sleep undisturbed. Infinicool Lux technology helps you stay comfortably cool all night with its breathable, moisture-wicking fabric infused with cooling fibers.