Soft material can be used repeatedly: The increased insole gently protects the heel with PVA material and air cushion, with high adsorption power. So you can use any shoes such as ankle boots or sneakers. The soles (height are not suitable for low shoes. If you want to put on flat shoes or ordinary sports shoes, 4 layers and can be cut: 4 layers shoe insoles are adjustable (3-9cm), you can adjust the thickness by attaching or detaching the removable insert. The foot length can be easily stretched to 22.5-27cm, the raised insole is suitable for men and women, suitable for size 35-44. Relieve Fatigue: Premium memory foam insoles soften the impact on your sore foot, feet feel comfortable. Air insoles have shock absorption effect, improve blood circulation and reduce pressure and keep your feet healthy. Ideal for running, walking, standing all day. Orthopedic insoles are comfortable even when wearing socks for a long time. Breathable and deodorant: The surface of the shoe soles uses breathable mesh material, and the breathable antibacterial fabric designed to improve air circulation and prevent the release of moisture. High insoles suitable for men and women, they provide cool and relaxing comfort when commuting to school, walking, meetings, shopping or traveling.