Definition
Pilot cloth is a type of thick, durable, and typically dark blue woolen fabric. It's often used for making warm and protective outerwear, especially for sailors or those working outdoors. Think of it as the denim of the sea, designed to withstand harsh conditions. Unlike lighter fabrics, pilot cloth is tightly woven to provide excellent insulation and resistance to wind and water. It's known for its robustness and longevity, making it a practical choice for garments that need to endure wear and tear.