Sole structure for article of footwear

A sole structure for an article of footwear includes a bladder having a plurality of tapered chambers including (a) a series of first tapered chambers tapering from a first end on a medial side of the bladder to a second end on a lateral side of the bladder, and (b) one or more second tapered chambers tapering from a first end on the lateral side of the bladder to a second end on the medial side of the bladder. Each of the one or more second tapered chambers is interposed between adjacent ones of the first tapered chambers. The sole structure also includes a chassis disposed on a first side of the bladder and having a plurality of first ribs each disposed between adjacent ones of the first tapered chambers and the second tapered chambers.