The term 'RUNNING SHOE' can be described by two crossword solutions: SNEAKER (7 letters) and TRAINER (7 letters). A running shoe is a type of footwear designed specifically for running activities. It is usually lightweight and flexible, with a sole that provides cushioning and traction. Sneakers and trainers are two common types of running shoes. Sneakers are typically made of canvas or leather and have a rubber sole, while trainers are usually made of synthetic materials and have a more cushioned sole. Both types of running shoes provide the necessary support and protection for running activities.