Global Footwear Market Assessment, By Product Type [Loafers and Mules, Shoes and Sneakers, Sandal, Clogs, Boots, Others], By Material [Leather, Rubber, Textile, Suede, Others], By Application [Athletic, Formal, Casual, Other], By Price [Luxury, Economic], By Category [Private Label, Branded], By Distribution Channel [Online, Offline], By End-user [Men, Women, Kids, Unisex], By Region, Opportunities and Forecast, 2017-2031