36MM High Arch Design: Plantar fasciitis insoles improve flat feet, reduce plantar fascia strains, plantar fasciitis relief. A rigid TPU support piece has been added to the bottom of the insole to ensure stable arch support over time. Multi-Layer Buffer Structure: The insole consists of five parts with a plain fabric surface that wicks away moisture. A full-length double layer of EVA is used in the center to provide a double layer of cushioning to reduce foot pressure.Bottom contains rigid TPU support tabs to balance the force structure of the foot. Forefoot and heel spacers for enhanced insole rebound efficiency. Breathable Round Hole Design: Breathable round holes in the forefoot keep the foot fresh and dry, increase the rate of heat dissipation, and provide a comfortable wearing experience,foot health. U-Shaped Deep Heel Cup: Helps the foot maintain a correct standing position, realizes a perfect fit between the foot and the insole, increases stability, and prevents side-to-side movement of the foot.Orthotic Shoe Inserts designed for people over 220 pounds. Tips: Before you buy the product, please check the size of the insoles carefully and choose the right size to improve your foot health. Our products are suitable for most shoes, and the insoles function as foot protection in different types of shoes. In addition, we have equipped the insoles with a cuttable line so that the insoles fit perfectly to your feet for the best results. The insole features a highly elastic full-length EVA cushioning layer that reduces friction from foot movement, providing shock absorption and dispersing foot pressure. Semi-rigid TPU brings strong support to the arch, which can withstand more than 228lb and stand for a long time without deformation, suitable for most people.