SAFE YOUR FEET - Two GEL spacers absorb heel pressure and disperse forefoot pressure, reduce impact, and ensure foot safety. It is suitable for shock absorption and foot fatigue-use scenarios..ARCH SUPPORT SHOE INSOLES - TPU material is used to provide super support for the arch of the foot, the support is more stable, and the stability of the foot is increased. WARNING: you may feel foot pressure during 3-7 days of wearing. It's normal because your feet are not used to arch support. We strongly recommend starting from 2-3 hours a day and increasing the time each day gradually..DEEP-HEEL CUP - The deep-heel support with built-in heel support keeps the foot bones vertical and balanced, providing stability while walking or exercising, helping to reduce the risk of ankle sprains.It is suitable for daily life and sports..PREMIUM MATERIAL SIZE - Breathable non-slip fabric on the surface of the insole helps keep feet cool and prevents odors, the overall use of PU material provides high durability for long-term use. Adjustable size: insoles can be easily trimmed and adapted..NO-RISK PURCHASE - If you have any issues with the product, please feel free to contact us. We will reply within 24 hours and find a good solution.