Moral training shoes are a kind of sports shoes, which are often used in fitness and training activities. Two bars and three bars refer to the number of bars on a shoe. Two-bar moral training shoes usually have basic functions and designs, which are suitable for general fitness and training needs. Three pairs of moral training shoes refer to more advanced shoes with more functions and designs, which are suitable for professional athletes or trainers with higher requirements. These functions may include better support, better cushioning effect, more wear-resistant materials and so on.