Nike Air Max 1990 (commonly known as Air Max 90), The original colourway of white black cool grey was chosen to exaggerate the thickness of the sole air unit. The Air Max 90 Shoe is especially popular in Europe. The Nike Air Max 90 is a good running shoe. Polyurethane midsole with visible Max Air cushioning in the heel, leather/mesh upper for light-weight and breath. The Nike Air Max 90 Infrared is one of classic Nike shoes. Nike Air Max shoe uses a large air cushioning unit at the heel which is visible from the side of the midsole in most models. Air in the early 1990s which was visible through the bottom of the shoe (although smaller portions of Air units are visible through the bottom of many Air Max models) and another type of Air cushioning is the low profile and very responsive "Zoom Air."
