The upper of Li Ning Ultra-light 20 running shoes is made of light and breathable materials, which can effectively reduce the burden on the feet, maintain good ventilation effect and keep the feet dry and comfortable at all times. GCR lightweight non-slip rubber sole not only provides excellent grip, but also increases wear resistance. Through the combination of Li Ning's unique beng flick technology and EVA support structure, it performs well in cushioning and rebound, effectively reducing the impact on joints.