Construction BREATHABLE BLISS: The stretch-knit cover is durable, soft, and allows cool air to easily pass through. COOLING COMFORT: 1" gel-infused cooling memory foam top layer contours

COOLING COMFORT: 1" gel-infused cooling memory foam top layer contours to your body and promotes airflow.
REJUVENATING REST: Therapeutic Support Layer proprietary high-resilience foam creates optimal alignment for full muscle rest and rejuvenation.
SOLID SUPPORT: Durable base layer of high-density foam maintains the appearance and feel of your mattress, prevents sagging, and provides a strong foundation.
MODERATE MEDIUM: Medium-Firm comfort offers gentle cushioning and a more supportive feel for all sleeping positions.
ADJUSTABLE ADVANTAGE: Mattress is compatible with adjustable bed bases for an elevated sleep experience.
FIBERGLASS-FREE: All Lull mattresses are free from fiberglass and meet federal flammability standards.
Low-VOC foam is certified to CertiPUR-US® standards, which ensures it is made without PBDEs, TDCPP or TCEP (“Tris”) flame retardants, ozone depleters, heavy metals, formaldehyde, and phthalates regulated by the Consumer Product Safety Commission.
WORRY-FREE WARRANTY: Your purchase is covered by a limited manufacturer’s warranty.
PROPER PROTECTION: Always use a mattress protector/pad to shield your mattress and preserve your warranty rights.
ROTATE REGULARLY: To prolong the lifespan of your mattress, rotate 180 degrees every 3-6 months or as needed for even wear.
BOXED BED: The mattress is roll packed and compressed in a box and comes with instructions for a simple and easy setup.
STANDARD SIZE: Products are manufactured utilizing the International Sleep Products Association (ISPA) sizing standards. The Finished Size of the mattress is printed on the law tag. The tolerance is ± ½ inch from the printed Finished Size.
FAST & FREE: This item ships free direct from our vendor to your doorstep.
TRIAL TIME: 365-Night Sleep Trial. We recommend trying your mattress for at least 30 nights from the date of delivery. After 30 nights, if you're still not satisfied, you can initiate a return for a full refund.
Williams Sonoma is compliant with California’s Retailer Take Back Program Legislation.
If you are having your mattress delivered, we will take back your old mattress and/or foundation at no additional cost.
All delivery or set-up fees for the products being delivered still apply.
For white glove delivery, the old mattress and/or foundation will be taken at delivery of your new mattress.
For parcel shipments, we are happy to pick up your old mattress and/or foundation. Please call us to schedule a pickup within 30 days of the delivery of your new mattress.
Please note we may refuse to pick up the old mattress and/or foundation if it poses a health or safety risk.
For questions or to schedule a pickup contact: Pottery Barn: 1.888.779.5176