Polyurethane vs Rubber Soles: Which Is Better? (Manufacturer Guide)
Choosing between polyurethane (PU) and rubber soles is one of the most common decisions in footwear manufacturing. Both materials make durable, comfortable outsoles — but they differ sharply in weight, cushioning, grip, cost and how they are produced. This guide compares PU vs rubber soles across every property that matters, so footwear makers and buyers […]