FLAT FOUNDATION: A box spring alternative with closely spaced wooden slats compatible with all mattress types.
MAIN MATERIALS: Solid wood frame & slats. Cotton-poly upholstery.
FRAME FRIENDLY: Designed to be supported by platform or traditional bedframes.
SOLID SUPPORT: Durable design engineered to provide a solid base for lasting comfort. Features one center rail across all sizes.
ALLOWS AIRFLOW: Open slat system promotes ventilation beneath the mattress for cooler sleep.
MINIMIZE MOTION: Firm, no-bounce base helps reduce motion transfer between sleepers.
HELPFUL HEIGHTS: Choose standard height to match a traditional box spring, or opt for a lower profile for a clean, modern look.
SLAT SPACING: 14 slats that are 2.5" wide, placed 3.25" apart.
COVERAGE CAPACITY: Can support up to 600 lbs.
DELIBERATELY DESIGNED: Crafted for fashion and function. Pairing your mattress with its matching foundation helps extend product life, maintain warranty coverage, and elevates your sleep space.
SAFETY STANDARD: Meets or exceeds State and Federal Fire Retardancy Standards when used either by itself or with an approved Avocado® mattress.
SUSTAINABLY SOURCED: Made with FSC®-certified wood. Your purchase helps support healthy forests and ecosystems worldwide for generations to come.
GREENGUARD GOLD: UL Certified to contribute to healthier indoor air, keeping you and your family safer.

PROPER PROTECTION: Use a mattress or boxspring protector to guard against wear, allergens, and preserve warranty coverage.
WORRY-FREE WARRANTY: When used with a proper supportive bed frame, your foundation is covered by a limited manufacturer’s warranty.

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

Avocado Foundation