VaporMax Air technology provides ultra lightweight cushioning. Floating cage around the foot mimics the OG '98 design. Cushioned fabric and synthetic material provide durability. Rubber pods in high-wear areas add durability. Blue represent Lake Michigan and the Chicago River, white celebrates the west, south and north side of the city and red is for important moments that have helped define the Windy City. | Nike VaporMax Plus "Chicago" Men's Shoe looks to the past to propel you into the future. This revamp nods to the super-techy Air Max Plus of 1998 with its floating TPU cage, compression molded upper and heel logo while revolutionary VaporMax Air technology brings it into today.