1The heel of the insole adopts a 3D threedimensional shaping design, which is quite comfortable to wear and has high stability. 2The bottom heel also has a curved shape to provide the effect of shock absorption and high stability required when walking. 3The additional heel pad can prevent vibration, the high elastic gel pad provides additional protection, ventilation design, and sweat protection. 4Can be used in all types of shoes, sports, work or leisure, carefully designed to provide the highest comfort and improve flat feet, very suitable for sports and daily use. 5Extremely light, excellent cushioning and shock absorption performance, nonslip bottom to fix the entire insole in place, avoid foot pain and reduce pressure. 6Thickened soft silica gel for shock absorption, deep U-shaped heel at the bottom, keeps the heel neutral and prevents crippled feet and inversion. 7Designed according to the principles of human anatomy, it can effectively support the internal and external arches and reduce the excessive stretching of the plantar fascia. 8Increase the force area of the sole and disperse the pressure on the forefoot and heel. 9Strengthen the compactness of the foot, so that the soles of the feet will not shake or slip during exercise.