Emerging Trends in the PU Sole (Footwear Polyurethane) Market: A Comprehensive Analysis The PU sole (Footwear Polyurethane) industry manufactures polyurethane soles for footwear. PU soles are lightweight, durable, and provide cushioning. They are used in athletic shoes, casual shoes, sandals, and more. The industry serves footwear manufacturers, brands, and designers. PU soles are also used in insoles and specialized medical footwear. Overall, the industry plays a vital role in...