Global Footwear Polyurethane Market Report Size, Trends & Growth Opportunity, By Application (Casuals, Boots, Slippers & Sandals, Sports, Formals), By PU Sole Applications (Midsole, Insole, Outsole), By Raw Material (Methylene Diphenyl Diisocyanate (MDI), Toluene Diphenyl Diisocyanate (TDI), Polyols), By Region (North America, Europe, Asia Pacific, Latin America, Middle East) And Forecast Till 202