The Streamline firm 14’’ mattress offers all you need for blissful sleep with handmade, innovative materials and layers. Feel the coziness of the ultra-conforming upholstery that’s made from Tencel®, Phase Change material, and a silk-wool blend. The patented Aireloom Lift™ synchronizes with your body and provides adaptive, personalized comfort. Three layers of certified CertiPur-US slow visco recovery foam keep you cool and comfy—plus, Aireluxe™ foam conforms to your body and helps align your spine. Keep your body relaxed with the mattress’ high-density perimeter support and Support-flex™ system, which features individually wrapped coils.