Peak's black technology is mainly the midsole technology P4U, which is compounded and foamed by innovative technology, and has the "adaptive" characteristics that traditional materials do not have. Simply put, the pole of the peak state can be changed by different stress states. When the wearer carries out high-speed exercise, the foot is stressed heavily, which leads to the deformation of the midsole, and the molecules in the midsole will be squeezed and piled up together, rebounding each other, providing good elasticity and support for the wearer.
The rubber at the front and back of Fengyun outsole is smooth and wear-resistant, and the middle groove is designed to disperse the pressure according to the stress area of the sole, which makes walking more comfortable.