This Peak is equipped with the disruptive black technology smart material P4U and is made of composite foaming through innovative technology. It has "adaptive" properties that traditional materials do not have: providing a soft and comfortable wearing experience under low-speed movement; as the wearer's movement speed increases, the elastic modulus of the midsole increases and "changes" to a highly elastic state, providing just the right response, rebound and support for running. It is the so-called combination of movement and stillness, one yin and one yang, so it is called "state pole".