The grades of Puma football shoes are as follows:

1. evoPOWER: Power series, representing the top level. It is the power series of Puma football shoes, representing the top level of the brand. This series of shoes focuses on providing more strength and stability, helping players better control the ball during the game and exert stronger attack power and shooting ability.

2. evoSPEED: speed series, representing high-end. It is the speed series of Puma football shoes, which represents the high-end level of the brand. This series of shoes focuses on providing faster speed and better flexibility, helping players run and turn better during the game, and exert stronger speed and explosive power.

3. evoTOUCH: tactile series, representing the mid-range. It is the tactile series of Puma football boots and represents the mid-range level of the brand. This series of shoes focuses on providing better touch and ball control, helping players better control the ball during the game and develop stronger passing and ball control abilities.

4. King: traditional series, representing entry-level. It is the traditional series of Puma football shoes and represents the entry-level level of the brand. This series of shoes focuses on traditional design and materials to help players better control the ball and develop basic skills and abilities during the game.