Found only in Beautyrest BlackÂ®, BlackICE 4.0 Technology uses 4 cooling actions in our most advanced temperatures management system, so you feel cooler and sleep better. Our Luxury Pressure Relief, Your Best Rest. Curated Technoluxe foams reduce pressure points in your hips and shoulders.World's Premier Support System. Tripled. We elevate the design and performance of our legendary support in Beautyrest Black with our exclusive T3 Pocketed Coil Technology. Three steel strands wound into one coil absorb energy, reduce motion and provide exceptional resilience for support, durability and undisturbed sleep.