Invisible Height Insoles: Perfectly adapted to your foot, you can wear these half-insoles inside your socks. No one will know the secret to your height increase. Two optional sizes are suitable for different occasions such as a meeting,a date, a wedding, shopping or any other event where a camera is lurking.Premium PU Material: Ailaka heel insoles are made of medical-grade PU foam that provides superior cushioning and lasting support with every step. They are more stable and lighter than other materials.The shock-absorbing honeycomb base can fully absorb shocks and reduce stress on your feet.All-day comfort: Massage points can significantly reduce fatigue, leaving you feeling comfortable and energetic throughout the day. Designed with arch support and a U-shaped heel, Ailaka insoles provide excellent foot support and improved motion control while walking and running.Sports, work, and leisure: Heel insoles are perfect for improving performance and reducing fatigue in daily life. Their good cushioning effect can reduce impact on joints and muscles, relieving pain caused by high arches, flat feet, leg length discrepancies, heel spurs, and Achilles tendonitis.Our orthotic insoles are suitable for most shoes, such as boots, sports shoes, sneakers, high-tops, and tennis shoes. They are not suitable for low-cut shoes.