Designed for people who participate in a range of athletic activities where they experience muscle fatigue in the feet and legs. Our insoles will reduce stress on your lower body joints and keep you on your feet longer. They provide excellent support, improved motion control and side-to-side stability. Features - Color: As Shown. - Material: EVA, Velvet. - Size S: About 26.5x9.2x3.2cm. - Size M: About 28.5x9.8x3.2cm. - Size L: About 30.5x10.1x3.2cm. - Made of material, durable and practical, long service life and easy to use. - Designed for people who participate in a range of athletic activities where they experience muscle fatigue in the feet and legs. - Our insoles will reduce stress on your lower body joints and keep you on your feet longer. - They provide excellent support, improved motion control and side-to-side stability. - Ingenious design, improve foot force, relieve foot pressure.