The crossword solution for the term 'IN BOOTS' is PUSS, which is an acronym for 'Plastic Utility Safety Scuff'. This term is used to describe a type of protective footwear that is designed to protect the feet from hazards such as sharp objects, chemicals, and extreme temperatures. The boots are made from plastic and have a rubber sole to provide traction and protection. They are often used in industrial settings and by workers who need extra protection from hazardous materials.