What's the weight capacity for The Leesa Foundation? Niki November 03, 2023 16:09 Updated The Leesa Foundation is designed to support up to 500 lbs. Related articles What are the dimensions of the Leesa Foundation? How much does it weigh? How do I assemble the Leesa Foundation? What's inside the foundation? What are the sizes, measurements, and weights of the Adjustable Base? How do I assemble the Platform Bed? Comments 0 comments Article is closed for comments.