NIKE, Inc.
VACUUM ADJUSTMENT DEVICE FOR ARTICLE OF APPAREL OR FOOTWEAR

Abstract:

An article includes a receptacle defining an interior void and an adjustment element attached to the receptacle. The adjustment element includes bladder defining one or more chambers each having a compressible component disposed therein. The adjustment element is operable between a contracted configuration providing the receptacle with a first size and an expanded configuration providing the receptacle with a second size different than the first size by adjusting a pressure within the one or more chambers.