PU midsole with pivot can be the balancing area beneath the metatarsus which calls for an productive rolling movements with every solitary and every step.
聚氨酯鞋底坡跟处与数据透视可以平衡地区跖下面生产性碾压所以需要每单动作每一步。
3
Step bushings are placed in all key pivot areas to increase strength and reduce stress.