Description: The main component is polyester fiber (polyester), which belongs to knitted fabric. It has good drapability, comfort, softness, comfort and shock absorption. It is suitable for sports shoes. Breathable fabric in the sockliner helps keep your feet dry, cool and tasteless during intense exercise. Designed to help plantar fasciitis, heel cups provide effective shock absorption. The gel pad at the bottom of the heel cup is very helpful in absorbing shock and relieving heel pain. The purpose of arch support is very suitable for non-surgical treatment of people with plantar fasciitis, tendinitis, spur bone, foot pain, pressure fracture and foot sprain. These heel smooth relief products provide foot protection, reducing friction and shock absorption. Wherever you go, they will provide you with the best walking experience. It is easy to clean with warm water and soap, so you can reuse it for a long time, which is very comfortable. The elastic band design can adjust the most suitable tightness according to your needs to better maintain a comfortable walking state. Perfect for matching sneakers, barefoot shoes and any other type of shoes to meet your travel needs. Specification: Material: Polyester Fiber Size Chart: Size L: 11×10.5×4.5cm/4.33×4.13×1.77inch Size S: 9.5×10×4.5cm/3.74×3.94×1.77inch Band Width: 3.5cm/1.38inch Heel Thickness: 0.2cm/0.08inch Package Includes: 1 Pair Shoe Insoles Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.