The Simmons Hybrid mattress uses an inherently fire retardant fire sock which. Up to 33% off Select Mattress Brands! Beautyrest.com Orders: Email: email@example.com. Try this soft cover for all your comfort goals. MattressFirm.com is wholly owned and operated by Mattress Firm, Inc., 10201 S. Main St. Houston, TX 77025 - Copyright 2022 by MattressFirm.com, a Mattress Firm, Inc. Company All rights reserved. Copyright: 2001-2023 Bedding Pros LLC. It's sometimes hard getting up for work in the morning--it's that comfortable! COMFORT & SUPPORT- Simmons was an innovator of individually wrapped coils because they support you where you need it most & help eliminate partner disturbance. Determination of whether a support system is adequate is at the sole discretion of Serta Simmons Bedding. It comes packed with ultra-comfy memory foam and a soft comfy cover with Climate Cool moisture wicking tech.