2.6 lb density foam provides firmer, more stable seating edge for enhanced safety
85% ILD firmness ensures a supportive mattress perimeter
Made to order for a precise fit to your specific Sleep Number bed size and height
Durable construction designed to last longer than original factory rails
Easy replacement process without touching the mattress, air chambers, or cover
Summarized by Shop
These replacement foam side rails restore the firm, supportive edge on a Sleep Number® bed — the foam border that runs along each long side of the mattress and keeps the surface from collapsing when you sit or sleep near the edge. They are made to order in the USA at a higher density than the originals, so the seating edge feels fi