• DynWalker WD3 orthopedic insole with 4 cm arch support and medial wedge, indicated for treating pronation and relieving symptoms of high arches and flat feet. • Features a massage ball in the metatarsal area that stimulates the Yongquan acupuncture point, helping to combat fatigue, relieve foot pain and metatarsalgia, and relax the body. • Designed to relieve pain such as plantar fasciitis, heel spur, Achilles tendonitis, and metatarsalgia. • Made with high-quality materials: rigid TPU for effective support, breathable odorless velvet, and EVA foams that provide additional cushioning. • Ergonomic design with memory foam that helps align the foot, ideal for daily use by people who work standing or walk long distances. • It is recommended to start using for 2-3 hours per day and gradually increase the usage time for better adaptation.