Sleep Number Corporation
MATTRESS COVERING

Abstract:

A bed has a mattress with a mattress top, a mattress bottom, and a mattress perimeter. The mattress includes a mattress cover surrounding the mattress. The mattress cover includes a first stretch fabric around the mattress perimeter of the mattress. The first stretch fabric has a first predominant stretch direction that is stretchable in a direction parallel to the mattress top. A multidirectional stretch fabric is positioned on the mattress top.